Merge branch 'master' into 28

28 files changed, 143 insertions, 124 deletions

diff --git a/release/scripts/startup/bl_ui/__init__.py b/release/scripts/startup/bl_ui/__init__.py
index dd99195f12a..da9054fb681 100644
--- a/release/scripts/startup/bl_ui/__init__.py
+++ b/release/scripts/startup/bl_ui/__init__.py
@@ -88,7 +88,7 @@ _modules = [
     "space_userpref",
     "space_view3d",
     "space_view3d_toolbar",
-    ]
+]
 
 import bpy
 
@@ -167,6 +167,8 @@ def unregister():
 
 # Define a default UIList, when a list does not need any custom drawing...
 # Keep in sync with its #defined name in UI_interface.h
+
+
 class UI_UL_list(bpy.types.UIList):
     # These are common filtering or ordering operations (same as the default C ones!).
     @staticmethod
diff --git a/release/scripts/startup/bl_ui/properties_constraint.py b/release/scripts/startup/bl_ui/properties_constraint.py
index 9b61101778f..b7880e605b3 100644
--- a/release/scripts/startup/bl_ui/properties_constraint.py
+++ b/release/scripts/startup/bl_ui/properties_constraint.py
@@ -941,6 +941,7 @@ class BONE_PT_constraints(ConstraintButtonsPanel, Panel):
         for con in context.pose_bone.constraints:
             self.draw_constraint(context, con)
 
+
 classes = (
     OBJECT_PT_constraints,
     BONE_PT_constraints,
diff --git a/release/scripts/startup/bl_ui/properties_data_curve.py b/release/scripts/startup/bl_ui/properties_data_curve.py
index 057a7233206..47c53d6ffb5 100644
--- a/release/scripts/startup/bl_ui/properties_data_curve.py
+++ b/release/scripts/startup/bl_ui/properties_data_curve.py
@@ -180,6 +180,7 @@ class DATA_PT_geometry_curve(CurveButtonsPanelCurve, Panel):
         sub.active = curve.taper_object is not None
         sub.prop(curve, "use_map_taper")
 
+
 class DATA_PT_geometry_curve_bevel(CurveButtonsPanelCurve, Panel):
     bl_label = "Bevel"
     bl_parent_id = "DATA_PT_geometry_curve"
@@ -348,6 +349,7 @@ class DATA_PT_font(CurveButtonsPanelText, Panel):
         row.prop(char, "use_underline", toggle=True)
         row.prop(char, "use_small_caps", toggle=True)
 
+
 class DATA_PT_font_transform(CurveButtonsPanelText, Panel):
     bl_label = "Transform"
     bl_parent_id = "DATA_PT_font"
@@ -404,7 +406,6 @@ class DATA_PT_paragraph_alignment(CurveButtonsPanelText, Panel):
         layout.row().prop(text, "align_y", expand=True)
 
 
-
 class DATA_PT_paragraph_spacing(CurveButtonsPanelText, Panel):
     bl_parent_id = "DATA_PT_paragraph"
     bl_label = "Spacing"
diff --git a/release/scripts/startup/bl_ui/properties_data_lamp.py b/release/scripts/startup/bl_ui/properties_data_lamp.py
index e5dd1bbd771..2727c84e820 100644
--- a/release/scripts/startup/bl_ui/properties_data_lamp.py
+++ b/release/scripts/startup/bl_ui/properties_data_lamp.py
@@ -182,7 +182,6 @@ class DATA_PT_EEVEE_shadow(DataButtonsPanel, Panel):
         col.prop(lamp, "shadow_buffer_bleed_bias", text="Bleed Bias")
 
 
-
 class DATA_PT_EEVEE_shadow_cascaded_shadow_map(DataButtonsPanel, Panel):
     bl_label = "Cascaded Shadow Map"
     bl_parent_id = "DATA_PT_EEVEE_shadow"
diff --git a/release/scripts/startup/bl_ui/properties_freestyle.py b/release/scripts/startup/bl_ui/properties_freestyle.py
index a9c9d512335..12ecbeb3e6b 100644
--- a/release/scripts/startup/bl_ui/properties_freestyle.py
+++ b/release/scripts/startup/bl_ui/properties_freestyle.py
@@ -629,7 +629,7 @@ class VIEWLAYER_PT_freestyle_linestyle(ViewLayerFreestyleEditorButtonsPanel, Pan
         row = layout.row(align=True)
         row.prop(linestyle, "panel", expand=True)
         if linestyle.panel == 'STROKES':
-            ## Chaining
+            # Chaining
             layout.prop(linestyle, "use_chaining", text="Chaining:")
             split = layout.split(align=True)
             split.active = linestyle.use_chaining
@@ -643,7 +643,7 @@ class VIEWLAYER_PT_freestyle_linestyle(ViewLayerFreestyleEditorButtonsPanel, Pan
             col = split.column()
             col.prop(linestyle, "use_same_object")
 
-            ## Splitting
+            # Splitting
             layout.label(text="Splitting:")
             split = layout.split(align=True)
             # First column
@@ -679,7 +679,7 @@ class VIEWLAYER_PT_freestyle_linestyle(ViewLayerFreestyleEditorButtonsPanel, Pan
             sub.prop(linestyle, "split_dash3", text="D3")
             sub.prop(linestyle, "split_gap3", text="G3")
 
-            ## Sorting
+            # Sorting
             layout.prop(linestyle, "use_sorting", text="Sorting:")
             col = layout.column()
             col.active = linestyle.use_sorting
@@ -693,7 +693,7 @@ class VIEWLAYER_PT_freestyle_linestyle(ViewLayerFreestyleEditorButtonsPanel, Pan
             row = col.row(align=True)
             row.prop(linestyle, "sort_order", expand=True)
 
-            ## Selection
+            # Selection
             layout.label(text="Selection:")
             split = layout.split(align=True)
             # First column
@@ -716,12 +716,12 @@ class VIEWLAYER_PT_freestyle_linestyle(ViewLayerFreestyleEditorButtonsPanel, Pan
             sub.active = linestyle.use_chain_count
             sub.prop(linestyle, "chain_count")
 
-            ## Caps
+            # Caps
             layout.label(text="Caps:")
             row = layout.row(align=True)
             row.prop(linestyle, "caps", expand=True)
 
-            ## Dashed lines
+            # Dashed lines
             layout.prop(linestyle, "use_dashed_line", text="Dashed Line:")
             row = layout.row(align=True)
             row.active = linestyle.use_dashed_line
@@ -786,9 +786,10 @@ class VIEWLAYER_PT_freestyle_linestyle(ViewLayerFreestyleEditorButtonsPanel, Pan
 
             row = layout.row()
             props = row.operator(
-                    "wm.properties_context_change",
-                    text="Go to Linestyle Textures Properties",
-                    icon='TEXTURE')
+                "wm.properties_context_change",
+                text="Go to Linestyle Textures Properties",
+                icon='TEXTURE',
+            )
             props.context = 'TEXTURE'
 
         elif linestyle.panel == 'MISC':
diff --git a/release/scripts/startup/bl_ui/properties_grease_pencil_common.py b/release/scripts/startup/bl_ui/properties_grease_pencil_common.py
index decbbff5d60..a2ccfb4f1b8 100644
--- a/release/scripts/startup/bl_ui/properties_grease_pencil_common.py
+++ b/release/scripts/startup/bl_ui/properties_grease_pencil_common.py
@@ -242,7 +242,6 @@ class GreasePencilStrokeEditPanel:
         if is_3d_view:
             layout.separator()
 
-
         layout.separator()
         col = layout.column(align=True)
         col.operator("gpencil.stroke_subdivide", text="Subdivide")
@@ -1100,11 +1099,11 @@ class GreasePencilPaletteColorPanel:
 
                 row = layout.row()
                 sub = row.row(align=True)
-                sub.label(text="Isolate:") # based on active color only
+                sub.label(text="Isolate:")  # based on active color only
                 sub.operator("gpencil.palettecolor_isolate", icon='LOCKED', text="").affect_visibility = False
                 sub.operator("gpencil.palettecolor_isolate", icon='RESTRICT_VIEW_OFF', text="").affect_visibility = True
                 sub = row.row(align=True)
-                sub.label(text="Lock:") # based on other stuff...
+                sub.label(text="Lock:")  # based on other stuff...
                 sub.operator("gpencil.stroke_lock_color", icon='BORDER_RECT', text="")
                 sub.operator("gpencil.palette_lock_layer", icon='COLOR', text="")
 
diff --git a/release/scripts/startup/bl_ui/properties_mask_common.py b/release/scripts/startup/bl_ui/properties_mask_common.py
index a7a67130f2f..450ca80bbc2 100644
--- a/release/scripts/startup/bl_ui/properties_mask_common.py
+++ b/release/scripts/startup/bl_ui/properties_mask_common.py
@@ -43,8 +43,8 @@ class MASK_UL_layers(UIList):
 
 class MASK_PT_mask:
     # subclasses must define...
-    #~ bl_space_type = 'CLIP_EDITOR'
-    #~ bl_region_type = 'UI'
+    # ~ bl_space_type = 'CLIP_EDITOR'
+    # ~ bl_region_type = 'UI'
     bl_label = "Mask Settings"
     bl_options = {'DEFAULT_CLOSED'}
 
@@ -66,8 +66,8 @@ class MASK_PT_mask:
 
 class MASK_PT_layers:
     # subclasses must define...
-    #~ bl_space_type = 'CLIP_EDITOR'
-    #~ bl_region_type = 'UI'
+    # ~ bl_space_type = 'CLIP_EDITOR'
+    # ~ bl_region_type = 'UI'
     bl_label = "Mask Layers"
 
     @classmethod
@@ -114,8 +114,8 @@ class MASK_PT_layers:
 
 class MASK_PT_spline:
     # subclasses must define...
-    #~ bl_space_type = 'CLIP_EDITOR'
-    #~ bl_region_type = 'UI'
+    # ~ bl_space_type = 'CLIP_EDITOR'
+    # ~ bl_region_type = 'UI'
     bl_label = "Active Spline"
 
     @classmethod
@@ -148,8 +148,8 @@ class MASK_PT_spline:
 
 class MASK_PT_point:
     # subclasses must define...
-    #~ bl_space_type = 'CLIP_EDITOR'
-    #~ bl_region_type = 'UI'
+    # ~ bl_space_type = 'CLIP_EDITOR'
+    # ~ bl_region_type = 'UI'
     bl_label = "Active Point"
 
     @classmethod
@@ -203,8 +203,8 @@ class MASK_PT_point:
 
 class MASK_PT_display:
     # subclasses must define...
-    #~ bl_space_type = 'CLIP_EDITOR'
-    #~ bl_region_type = 'UI'
+    # ~ bl_space_type = 'CLIP_EDITOR'
+    # ~ bl_region_type = 'UI'
     bl_label = "Mask Display"
     bl_options = {'DEFAULT_CLOSED'}
 
@@ -229,8 +229,8 @@ class MASK_PT_display:
 
 class MASK_PT_transforms:
     # subclasses must define...
-    #~ bl_space_type = 'CLIP_EDITOR'
-    #~ bl_region_type = 'TOOLS'
+    # ~ bl_space_type = 'CLIP_EDITOR'
+    # ~ bl_region_type = 'TOOLS'
     bl_label = "Transforms"
     bl_category = "Mask"
     bl_options = {'DEFAULT_CLOSED'}
@@ -253,8 +253,8 @@ class MASK_PT_transforms:
 
 class MASK_PT_tools:
     # subclasses must define...
-    #~ bl_space_type = 'CLIP_EDITOR'
-    #~ bl_region_type = 'TOOLS'
+    # ~ bl_space_type = 'CLIP_EDITOR'
+    # ~ bl_region_type = 'TOOLS'
     bl_label = "Mask Tools"
     bl_category = "Mask"
 
@@ -291,8 +291,8 @@ class MASK_PT_tools:
 
 class MASK_PT_add:
     # subclasses must define...
-    #~ bl_space_type = 'CLIP_EDITOR'
-    #~ bl_region_type = 'TOOLS'
+    # ~ bl_space_type = 'CLIP_EDITOR'
+    # ~ bl_region_type = 'TOOLS'
     bl_label = "Add"
     bl_category = "Mask"
 
diff --git a/release/scripts/startup/bl_ui/properties_paint_common.py b/release/scripts/startup/bl_ui/properties_paint_common.py
index bc8bc523e12..f1e5102f061 100644
--- a/release/scripts/startup/bl_ui/properties_paint_common.py
+++ b/release/scripts/startup/bl_ui/properties_paint_common.py
@@ -126,7 +126,7 @@ def brush_texpaint_common(panel, context, layout, brush, settings, projpaint=Fal
                     col.prop(brush, "gradient_stroke_mode", text="Mode")
                     if brush.gradient_stroke_mode in {'SPACING_REPEAT', 'SPACING_CLAMP'}:
                         col.prop(brush, "grad_spacing")
-                else: # if brush.image_tool == 'FILL':
+                else:  # if brush.image_tool == 'FILL':
                     col.prop(brush, "gradient_fill_mode")
             else:
                 row = col.row(align=True)
diff --git a/release/scripts/startup/bl_ui/properties_particle.py b/release/scripts/startup/bl_ui/properties_particle.py
index 9ffc9e983bb..00eb13dd222 100644
--- a/release/scripts/startup/bl_ui/properties_particle.py
+++ b/release/scripts/startup/bl_ui/properties_particle.py
@@ -404,7 +404,7 @@ class PARTICLE_PT_hair_dynamics_structure(ParticleButtonsPanel, Panel):
 
     @classmethod
     def poll(cls, context):
-        return context.particle_system.cloth != None
+        return context.particle_system.cloth is not None
 
     def draw(self, context):
         layout = self.layout
@@ -436,7 +436,7 @@ class PARTICLE_PT_hair_dynamics_volume(ParticleButtonsPanel, Panel):
 
     @classmethod
     def poll(cls, context):
-        return context.particle_system.cloth != None
+        return context.particle_system.cloth is not None
 
     def draw(self, context):
         layout = self.layout
@@ -591,6 +591,7 @@ class PARTICLE_PT_rotation(ParticleButtonsPanel, Panel):
         if part.type != 'HAIR':
             col.prop(part, "use_dynamic_rotation")
 
+
 class PARTICLE_PT_rotation_angular_velocity(ParticleButtonsPanel, Panel):
     bl_label = "Angular Velocity"
     bl_parent_id = "PARTICLE_PT_rotation"
@@ -812,6 +813,7 @@ class PARTICLE_PT_physics(ParticleButtonsPanel, Panel):
                     sub.prop(key, "object", text="")
                     sub.prop(key, "system", text="System")
 
+
 class PARTICLE_PT_physics_deflection(ParticleButtonsPanel, Panel):
     bl_label = "Deflection"
     bl_parent_id = "PARTICLE_PT_physics"
@@ -820,8 +822,8 @@ class PARTICLE_PT_physics_deflection(ParticleButtonsPanel, Panel):
 
     @classmethod
     def poll(cls, context):
-       part = particle_get_settings(context)
-       return part.physics_type in {'NEWTON', 'FLUID'}
+        part = particle_get_settings(context)
+        return part.physics_type in {'NEWTON', 'FLUID'}
 
     def draw(self, context):
         layout = self.layout
@@ -846,8 +848,8 @@ class PARTICLE_PT_physics_forces(ParticleButtonsPanel, Panel):
 
     @classmethod
     def poll(cls, context):
-       part = particle_get_settings(context)
-       return part.physics_type == 'NEWTON'
+        part = particle_get_settings(context)
+        return part.physics_type == 'NEWTON'
 
     def draw(self, context):
         layout = self.layout
@@ -873,8 +875,8 @@ class PARTICLE_PT_physics_integration(ParticleButtonsPanel, Panel):
 
     @classmethod
     def poll(cls, context):
-       part = particle_get_settings(context)
-       return part.physics_type == 'NEWTON'
+        part = particle_get_settings(context)
+        return part.physics_type == 'NEWTON'
 
     def draw(self, context):
         layout = self.layout
@@ -924,7 +926,7 @@ class PARTICLE_PT_boidbrain(ParticleButtonsPanel, Panel):
 
         # Currently boids can only use the first state so these are commented out for now.
         #row = layout.row()
-        #row.template_list("UI_UL_list", "particle_boids", boids, "states",
+        # row.template_list("UI_UL_list", "particle_boids", boids, "states",
         #                  boids, "active_boid_state_index", compact="True")
         #col = row.row()
         #sub = col.row(align=True)
@@ -1039,6 +1041,7 @@ class PARTICLE_PT_render(ParticleButtonsPanel, Panel):
                 col.prop(part, "material_slot", text="Material")
                 col.prop(psys, "parent", text="Coordinate System")
 
+
 class PARTICLE_PT_render_extra(ParticleButtonsPanel, Panel):
     bl_label = "Extra"
     bl_parent_id = "PARTICLE_PT_render"
@@ -1058,7 +1061,7 @@ class PARTICLE_PT_render_extra(ParticleButtonsPanel, Panel):
         ob = context.object
         part = particle_get_settings(context)
 
-        col=layout.column()
+        col = layout.column()
 
         col = layout.column()
         col.prop(part, "use_parent_particles", text="Parent Particles")
@@ -1066,7 +1069,6 @@ class PARTICLE_PT_render_extra(ParticleButtonsPanel, Panel):
         col.prop(part, "use_dead", text="Dead")
 
 
-
 class PARTICLE_PT_render_line(ParticleButtonsPanel, Panel):
     bl_label = "Line"
     bl_parent_id = "PARTICLE_PT_render"
@@ -1086,7 +1088,7 @@ class PARTICLE_PT_render_line(ParticleButtonsPanel, Panel):
         ob = context.object
         part = particle_get_settings(context)
 
-        col=layout.column()
+        col = layout.column()
 
         col.separator()
         sub = col.column(align=True)
@@ -1094,6 +1096,7 @@ class PARTICLE_PT_render_line(ParticleButtonsPanel, Panel):
         sub.prop(part, "line_length_head", text="Head")
         col.prop(part, "use_velocity_length", text="Velocity Length")
 
+
 class PARTICLE_PT_render_path(ParticleButtonsPanel, Panel):
     bl_label = "Path"
     bl_parent_id = "PARTICLE_PT_render"
@@ -1113,7 +1116,7 @@ class PARTICLE_PT_render_path(ParticleButtonsPanel, Panel):
         ob = context.object
         part = particle_get_settings(context)
 
-        col=layout.column()
+        col = layout.column()
 
         col.prop(part, "use_strand_primitive")
         sub = col.column()
@@ -1148,7 +1151,7 @@ class PARTICLE_PT_render_path_timing(ParticleButtonsPanel, Panel):
         ob = context.object
         part = particle_get_settings(context)
 
-        col=layout.column()
+        col = layout.column()
 
         col.prop(part, "use_absolute_path_time")
 
@@ -1160,6 +1163,7 @@ class PARTICLE_PT_render_path_timing(ParticleButtonsPanel, Panel):
         col.prop(part, "path_end", text="End", slider=not part.use_absolute_path_time)
         col.prop(part, "length_random", text="Random", slider=True)
 
+
 class PARTICLE_PT_render_object(ParticleButtonsPanel, Panel):
     bl_label = "Object"
     bl_parent_id = "PARTICLE_PT_render"
@@ -1179,7 +1183,7 @@ class PARTICLE_PT_render_object(ParticleButtonsPanel, Panel):
         ob = context.object
         part = particle_get_settings(context)
 
-        col=layout.column()
+        col = layout.column()
 
         col.prop(part, "dupli_object", text="Instance Object")
         sub = col.column()
@@ -1207,7 +1211,7 @@ class PARTICLE_PT_render_collection(ParticleButtonsPanel, Panel):
         ob = context.object
         part = particle_get_settings(context)
 
-        col=layout.column()
+        col = layout.column()
 
         col.prop(part, "dupli_group")
 
@@ -1219,6 +1223,7 @@ class PARTICLE_PT_render_collection(ParticleButtonsPanel, Panel):
         sub.prop(part, "use_rotation_dupli", text="Object Rotation")
         sub.prop(part, "use_scale_dupli", text="Object Scale")
 
+
 class PARTICLE_PT_render_collection_use_count(ParticleButtonsPanel, Panel):
     bl_label = "Use Count"
     bl_parent_id = "PARTICLE_PT_render_collection"
@@ -1246,13 +1251,13 @@ class PARTICLE_PT_render_collection_use_count(ParticleButtonsPanel, Panel):
         ob = context.object
         part = particle_get_settings(context)
 
-        col=layout.column()
+        col = layout.column()
 
         layout.active = part.use_group_count and not part.use_whole_group
 
         row = layout.row()
         row.template_list("UI_UL_list", "particle_dupli_weights", part, "dupli_weights",
-                                  part, "active_dupliweight_index")
+                          part, "active_dupliweight_index")
 
         col = row.column()
         sub = col.row()
@@ -1267,6 +1272,7 @@ class PARTICLE_PT_render_collection_use_count(ParticleButtonsPanel, Panel):
             row = layout.row()
             row.prop(weight, "count")
 
+
 class PARTICLE_PT_render_billboards_alignment(ParticleButtonsPanel, Panel):
     bl_label = "Billboard Alignment"
     bl_parent_id = "PARTICLE_PT_render"
@@ -1286,12 +1292,13 @@ class PARTICLE_PT_render_billboards_alignment(ParticleButtonsPanel, Panel):
         ob = context.object
         part = particle_get_settings(context)
 
-        col=layout.column()
+        col = layout.column()
 
         col.prop(part, "billboard_align", text="Align To")
         col.prop(part, "lock_billboard", text="Lock Axis")
         col.prop(part, "billboard_object")
 
+
 class PARTICLE_PT_render_billboards_tilt(ParticleButtonsPanel, Panel):
     bl_label = "Billboard Tilt"
     bl_parent_id = "PARTICLE_PT_render"
@@ -1311,7 +1318,7 @@ class PARTICLE_PT_render_billboards_tilt(ParticleButtonsPanel, Panel):
         ob = context.object
         part = particle_get_settings(context)
 
-        col=layout.column()
+        col = layout.column()
 
         sub = col.column(align=True)
         sub.prop(part, "billboard_tilt", text="Angle", slider=True)
@@ -1325,6 +1332,7 @@ class PARTICLE_PT_render_billboards_tilt(ParticleButtonsPanel, Panel):
             col.prop(part, "billboard_velocity_head", text="Velocity ScaleHead")
             col.prop(part, "billboard_velocity_tail", text="Tail")
 
+
 class PARTICLE_PT_render_billboards_uv(ParticleButtonsPanel, Panel):
     bl_label = "Billboard UVs"
     bl_parent_id = "PARTICLE_PT_render"
@@ -1344,7 +1352,7 @@ class PARTICLE_PT_render_billboards_uv(ParticleButtonsPanel, Panel):
         ob = context.object
         part = particle_get_settings(context)
 
-        col=layout.column()
+        col = layout.column()
 
         if psys:
             col.prop_search(psys, "billboard_normal_uv", ob.data, "uv_layers")
@@ -1361,7 +1369,6 @@ class PARTICLE_PT_render_billboards_uv(ParticleButtonsPanel, Panel):
         sub.prop(part, "billboard_offset_split")
 
 
-
 class PARTICLE_PT_render_trails(ParticleButtonsPanel, Panel):
     bl_label = "Trails"
     bl_parent_id = "PARTICLE_PT_render"
@@ -1380,7 +1387,7 @@ class PARTICLE_PT_render_trails(ParticleButtonsPanel, Panel):
         psys = context.particle_system
         part = particle_get_settings(context)
 
-        col=layout.column()
+        col = layout.column()
 
         col.prop(part, "trail_count")
 
@@ -1532,6 +1539,7 @@ class PARTICLE_PT_children_parting(ParticleButtonsPanel, Panel):
         col.prop(part, "child_parting_min", text="Min")
         col.prop(part, "child_parting_max", text="Max")
 
+
 class PARTICLE_PT_children_clumping(ParticleButtonsPanel, Panel):
     bl_label = "Clumping"
     bl_parent_id = "PARTICLE_PT_children"
@@ -1573,6 +1581,7 @@ class PARTICLE_PT_children_clumping(ParticleButtonsPanel, Panel):
             if part.use_twist_curve:
                 sub.template_curve_mapping(part, "twist_curve")
 
+
 class PARTICLE_PT_children_roughness(ParticleButtonsPanel, Panel):
     bl_label = "Roughness"
     bl_parent_id = "PARTICLE_PT_children"
diff --git a/release/scripts/startup/bl_ui/properties_physics_cloth.py b/release/scripts/startup/bl_ui/properties_physics_cloth.py
index e0d0327324b..f450bc61635 100644
--- a/release/scripts/startup/bl_ui/properties_physics_cloth.py
+++ b/release/scripts/startup/bl_ui/properties_physics_cloth.py
@@ -257,6 +257,7 @@ class PHYSICS_PT_cloth_field_weights(PhysicButtonsPanel, Panel):
         cloth = context.cloth.settings
         effector_weights_ui(self, context, cloth.effector_weights, 'CLOTH')
 
+
 classes = (
     CLOTH_MT_presets,
     PHYSICS_PT_cloth,
diff --git a/release/scripts/startup/bl_ui/properties_physics_common.py b/release/scripts/startup/bl_ui/properties_physics_common.py
index 3615f8be48c..05c72bf47ee 100644
--- a/release/scripts/startup/bl_ui/properties_physics_common.py
+++ b/release/scripts/startup/bl_ui/properties_physics_common.py
@@ -274,7 +274,7 @@ def basic_force_field_settings_ui(self, context, field):
     elif field.type == 'HARMONIC':
         col.prop(field, "use_multiple_springs")
     if field.type == 'FORCE':
-        col.prop(field, "use_gravity_falloff",  text="Gravitation")
+        col.prop(field, "use_gravity_falloff", text="Gravitation")
 
     split = layout.split()
 
diff --git a/release/scripts/startup/bl_ui/properties_physics_rigidbody.py b/release/scripts/startup/bl_ui/properties_physics_rigidbody.py
index 817b0ab76ed..3cb9026fd02 100644
--- a/release/scripts/startup/bl_ui/properties_physics_rigidbody.py
+++ b/release/scripts/startup/bl_ui/properties_physics_rigidbody.py
@@ -117,7 +117,7 @@ class PHYSICS_PT_rigid_body_dynamics(PHYSICS_PT_rigidbody_panel, Panel):
         rbo = ob.rigid_body
 
         #col = layout.column(align=1)
-        #col.label(text="Activation:")
+        # col.label(text="Activation:")
         # XXX: settings such as activate on collison/etc.
 
         split = layout.split()
diff --git a/release/scripts/startup/bl_ui/properties_render.py b/release/scripts/startup/bl_ui/properties_render.py
index d75d3b61f1e..0e38b0ef535 100644
--- a/release/scripts/startup/bl_ui/properties_render.py
+++ b/release/scripts/startup/bl_ui/properties_render.py
@@ -222,6 +222,7 @@ class RENDER_PT_stamp(RenderButtonsPanel, Panel):
         sub.active = rd.use_stamp_note
         sub.prop(rd, "stamp_note_text", text="")
 
+
 class RENDER_PT_stamp_burn(RenderButtonsPanel, Panel):
     bl_label = "Burn Into Image"
     bl_parent_id = "RENDER_PT_stamp"
diff --git a/release/scripts/startup/bl_ui/properties_scene.py b/release/scripts/startup/bl_ui/properties_scene.py
index 380ee57962c..1b9c7b5eacb 100644
--- a/release/scripts/startup/bl_ui/properties_scene.py
+++ b/release/scripts/startup/bl_ui/properties_scene.py
@@ -296,9 +296,7 @@ class SCENE_PT_color_management_curves(SceneButtonsPanel, Panel):
         layout.use_property_split = False
         layout.enabled = view.use_curve_mapping
 
-        layout.template_curve_mapping(view, "curve_mapping", levels = True)
-
-
+        layout.template_curve_mapping(view, "curve_mapping", levels=True)
 
 
 class SCENE_PT_audio(SceneButtonsPanel, Panel):
diff --git a/release/scripts/startup/bl_ui/properties_texture.py b/release/scripts/startup/bl_ui/properties_texture.py
index aa3227e0b72..e5bf2c910a0 100644
--- a/release/scripts/startup/bl_ui/properties_texture.py
+++ b/release/scripts/startup/bl_ui/properties_texture.py
@@ -59,6 +59,7 @@ class TEXTURE_UL_texslots(UIList):
             layout.alignment = 'CENTER'
             layout.label(text="", icon_value=icon)
 
+
 def context_tex_datablock(context):
     idblock = context.brush
     if idblock:
@@ -106,6 +107,7 @@ class TEXTURE_PT_preview(TextureButtonsPanel, Panel):
         if isinstance(idblock, Brush):
             layout.prop(tex, "use_preview_alpha")
 
+
 class TEXTURE_PT_context(TextureButtonsPanel, Panel):
     bl_label = ""
     bl_context = "texture"
diff --git a/release/scripts/startup/bl_ui/properties_view_layer.py b/release/scripts/startup/bl_ui/properties_view_layer.py
index 3c8552c3407..013fac3c099 100644
--- a/release/scripts/startup/bl_ui/properties_view_layer.py
+++ b/release/scripts/startup/bl_ui/properties_view_layer.py
@@ -43,7 +43,7 @@ class VIEWLAYER_PT_layer(ViewLayerButtonsPanel, Panel):
         rd = scene.render
         layer = bpy.context.view_layer
 
-        layout.prop(layer, "use", text="Use for Rendering");
+        layout.prop(layer, "use", text="Use for Rendering")
         layout.prop(rd, "use_single_layer", text="Render Single Layer")
 
 
diff --git a/release/scripts/startup/bl_ui/space_clip.py b/release/scripts/startup/bl_ui/space_clip.py
index a3dc401b484..40009090231 100644
--- a/release/scripts/startup/bl_ui/space_clip.py
+++ b/release/scripts/startup/bl_ui/space_clip.py
@@ -1018,9 +1018,11 @@ class CLIP_PT_proxy(CLIP_PT_clip_view_panel, Panel):
         if clip.use_proxy_custom_directory:
             col.prop(clip.proxy, "directory")
 
-        col.operator("clip.rebuild_proxy",
-                     text="Build Proxy / Timecode" if clip.source == 'MOVIE'
-                                                   else "Build Proxy")
+        col.operator(
+            "clip.rebuild_proxy",
+            text="Build Proxy / Timecode" if clip.source == 'MOVIE'
+            else "Build Proxy"
+        )
 
         if clip.source == 'MOVIE':
             col2 = col.column()
@@ -1189,6 +1191,7 @@ class CLIP_PT_tools_grease_pencil_brush(GreasePencilBrushPanel, Panel):
 class CLIP_PT_tools_grease_pencil_brushcurves(GreasePencilBrushCurvesPanel, Panel):
     bl_space_type = 'CLIP_EDITOR'
 
+
 class CLIP_MT_view(Menu):
     bl_label = "View"
 
diff --git a/release/scripts/startup/bl_ui/space_dopesheet.py b/release/scripts/startup/bl_ui/space_dopesheet.py
index 136cb03a3fb..0dbb3f53332 100644
--- a/release/scripts/startup/bl_ui/space_dopesheet.py
+++ b/release/scripts/startup/bl_ui/space_dopesheet.py
@@ -425,11 +425,11 @@ class DOPESHEET_MT_gpencil_channel(Menu):
         layout.operator("anim.channels_editable_toggle")
 
         # XXX: to be enabled when these are ready for use!
-        #layout.separator()
-        #layout.operator("anim.channels_expand")
-        #layout.operator("anim.channels_collapse")
+        # layout.separator()
+        # layout.operator("anim.channels_expand")
+        # layout.operator("anim.channels_collapse")
 
-        #layout.separator()
+        # layout.separator()
         #layout.operator_menu_enum("anim.channels_move", "direction", text="Move...")
 
 
@@ -450,9 +450,9 @@ class DOPESHEET_MT_gpencil_frame(Menu):
         layout.separator()
         layout.operator("action.keyframe_type")
 
-        #layout.separator()
-        #layout.operator("action.copy")
-        #layout.operator("action.paste")
+        # layout.separator()
+        # layout.operator("action.copy")
+        # layout.operator("action.paste")
 
 
 class DOPESHEET_MT_delete(Menu):
@@ -496,18 +496,18 @@ class DOPESHEET_MT_specials(Menu):
         layout.operator_menu_enum("action.mirror", "type", text="Mirror")
         layout.operator_menu_enum("action.snap", "type", text="Snap")
 
+
 class DOPESHEET_MT_channel_specials(Menu):
     bl_label = "Dope Sheet Channel Context Menu"
 
     def draw(self, context):
         layout = self.layout
 
-
-        layout.operator("anim.channels_setting_enable", text="Mute Channels").type='MUTE'
-        layout.operator("anim.channels_setting_disable", text="Unmute Channels").type='MUTE'
+        layout.operator("anim.channels_setting_enable", text="Mute Channels").type = 'MUTE'
+        layout.operator("anim.channels_setting_disable", text="Unmute Channels").type = 'MUTE'
         layout.separator()
-        layout.operator("anim.channels_setting_enable", text="Protect Channels").type='PROTECT'
-        layout.operator("anim.channels_setting_disable", text="Unprotect Channels").type='PROTECT'
+        layout.operator("anim.channels_setting_enable", text="Protect Channels").type = 'PROTECT'
+        layout.operator("anim.channels_setting_disable", text="Unprotect Channels").type = 'PROTECT'
 
         layout.separator()
         layout.operator("anim.channels_group")
diff --git a/release/scripts/startup/bl_ui/space_graph.py b/release/scripts/startup/bl_ui/space_graph.py
index 1eb25700868..6e809c4e86a 100644
--- a/release/scripts/startup/bl_ui/space_graph.py
+++ b/release/scripts/startup/bl_ui/space_graph.py
@@ -336,11 +336,11 @@ class GRAPH_MT_channel_specials(Menu):
         st = context.space_data
 
         layout.separator()
-        layout.operator("anim.channels_setting_enable", text="Mute Channels").type='MUTE'
-        layout.operator("anim.channels_setting_disable", text="Unmute Channels").type='MUTE'
+        layout.operator("anim.channels_setting_enable", text="Mute Channels").type = 'MUTE'
+        layout.operator("anim.channels_setting_disable", text="Unmute Channels").type = 'MUTE'
         layout.separator()
-        layout.operator("anim.channels_setting_enable", text="Protect Channels").type='PROTECT'
-        layout.operator("anim.channels_setting_disable", text="Unprotect Channels").type='PROTECT'
+        layout.operator("anim.channels_setting_enable", text="Protect Channels").type = 'PROTECT'
+        layout.operator("anim.channels_setting_disable", text="Unprotect Channels").type = 'PROTECT'
 
         layout.separator()
         layout.operator("anim.channels_group")
diff --git a/release/scripts/startup/bl_ui/space_image.py b/release/scripts/startup/bl_ui/space_image.py
index 457c64c5fed..4b533d2f045 100644
--- a/release/scripts/startup/bl_ui/space_image.py
+++ b/release/scripts/startup/bl_ui/space_image.py
@@ -621,6 +621,7 @@ class IMAGE_PT_tools_mask(MASK_PT_tools, Panel):
     bl_region_type = 'TOOLS'
     bl_category = 'Mask'
 
+
 class IMAGE_PT_tools_mask_add(MASK_PT_add, Panel):
     bl_space_type = 'IMAGE_EDITOR'
     bl_region_type = 'TOOLS'
@@ -1164,8 +1165,6 @@ class IMAGE_PT_uv_sculpt(Panel, ImagePaintPanel):
         col.prop(uvsculpt, "show_brush")
 
 
-
-
 class IMAGE_PT_options_uvs(Panel, UVToolsPanel):
     bl_label = "UV Options"
     bl_category = "Options"
diff --git a/release/scripts/startup/bl_ui/space_node.py b/release/scripts/startup/bl_ui/space_node.py
index fce031f987b..bf3fa64a852 100644
--- a/release/scripts/startup/bl_ui/space_node.py
+++ b/release/scripts/startup/bl_ui/space_node.py
@@ -542,11 +542,15 @@ class NODE_PT_tools_grease_pencil_sculpt(GreasePencilStrokeSculptPanel, Panel):
     bl_region_type = 'TOOLS'
 
 # Grease Pencil drawing brushes
+
+
 class NODE_PT_tools_grease_pencil_brush(GreasePencilBrushPanel, Panel):
     bl_space_type = 'NODE_EDITOR'
     bl_region_type = 'TOOLS'
 
 # Grease Pencil drawing curves
+
+
 class NODE_PT_tools_grease_pencil_brushcurves(GreasePencilBrushCurvesPanel, Panel):
     bl_space_type = 'NODE_EDITOR'
     bl_region_type = 'TOOLS'
@@ -557,6 +561,7 @@ class NODE_PT_tools_grease_pencil_brushcurves(GreasePencilBrushCurvesPanel, Pane
 def node_draw_tree_view(layout, context):
     pass
 
+
 classes = (
     NODE_HT_header,
     NODE_MT_editor_menus,
diff --git a/release/scripts/startup/bl_ui/space_outliner.py b/release/scripts/startup/bl_ui/space_outliner.py
index 8b8526cf9f2..12cff72b61a 100644
--- a/release/scripts/startup/bl_ui/space_outliner.py
+++ b/release/scripts/startup/bl_ui/space_outliner.py
@@ -179,7 +179,7 @@ class OUTLINER_MT_collection(Menu):
         layout.operator("outliner.collection_instance", text="Instance to Scene")
         if space.display_mode != 'VIEW_LAYER':
             layout.operator("outliner.collection_link", text="Link to Scene")
-        layout.operator("outliner.id_operation", text="Unlink").type='UNLINK'
+        layout.operator("outliner.id_operation", text="Unlink").type = 'UNLINK'
 
         if space.display_mode == 'VIEW_LAYER':
             layout.separator()
@@ -206,20 +206,20 @@ class OUTLINER_MT_object(Menu):
 
         space = context.space_data
 
-        layout.operator("outliner.object_operation", text="Delete").type='DELETE'
+        layout.operator("outliner.object_operation", text="Delete").type = 'DELETE'
         if space.display_mode == 'VIEW_LAYER' and not space.use_filter_collection:
-            layout.operator("outliner.object_operation", text="Delete Hierarchy").type='DELETE_HIERARCHY'
+            layout.operator("outliner.object_operation", text="Delete Hierarchy").type = 'DELETE_HIERARCHY'
 
         layout.separator()
 
-        layout.operator("outliner.object_operation", text="Select").type='SELECT'
-        layout.operator("outliner.object_operation", text="Select Hierarchy").type='SELECT_HIERARCHY'
-        layout.operator("outliner.object_operation", text="Deselect").type='DESELECT'
+        layout.operator("outliner.object_operation", text="Select").type = 'SELECT'
+        layout.operator("outliner.object_operation", text="Select Hierarchy").type = 'SELECT_HIERARCHY'
+        layout.operator("outliner.object_operation", text="Deselect").type = 'DESELECT'
 
         layout.separator()
 
         if not (space.display_mode == 'VIEW_LAYER' and not space.use_filter_collection):
-            layout.operator("outliner.id_operation", text="Unlink").type='UNLINK'
+            layout.operator("outliner.id_operation", text="Unlink").type = 'UNLINK'
             layout.separator()
 
         layout.operator_menu_enum("outliner.id_operation", 'type', text="ID Data")
diff --git a/release/scripts/startup/bl_ui/space_statusbar.py b/release/scripts/startup/bl_ui/space_statusbar.py
index 983b474d18b..3a6fc4925d8 100644
--- a/release/scripts/startup/bl_ui/space_statusbar.py
+++ b/release/scripts/startup/bl_ui/space_statusbar.py
@@ -73,7 +73,6 @@ class STATUSBAR_HT_header(Header):
             return
 
 
-
 classes = (
     STATUSBAR_HT_header,
 )
diff --git a/release/scripts/startup/bl_ui/space_time.py b/release/scripts/startup/bl_ui/space_time.py
index d5609e219e3..7c584b3177b 100644
--- a/release/scripts/startup/bl_ui/space_time.py
+++ b/release/scripts/startup/bl_ui/space_time.py
@@ -117,6 +117,7 @@ class TIME_MT_editor_menus(Menu):
                        panel_type="TIME_PT_keyframing_settings",
                        text="Keying")
 
+
 class TIME_MT_marker(Menu):
     bl_label = "Marker"
 
@@ -217,6 +218,7 @@ def marker_menu_generic(layout):
 
 ###################################
 
+
 class TimelinePanelButtons:
     bl_space_type = 'DOPESHEET_EDITOR'
     bl_region_type = 'UI'
diff --git a/release/scripts/startup/bl_ui/space_toolsystem_common.py b/release/scripts/startup/bl_ui/space_toolsystem_common.py
index cb6d3851d02..a909dad1ff3 100644
--- a/release/scripts/startup/bl_ui/space_toolsystem_common.py
+++ b/release/scripts/startup/bl_ui/space_toolsystem_common.py
@@ -427,7 +427,6 @@ class ToolSelectPanelHelper:
 
         return ui_gen, show_text
 
-
     @classmethod
     def draw_cls(cls, layout, context, detect_layout=True):
         # Use a classmethod so it can be called outside of a panel context.
@@ -676,6 +675,7 @@ def keymap_from_context(context, space_type):
     wm.keyconfigs.update()
     return keymap
 
+
 classes = (
     WM_MT_toolsystem_submenu,
 )
diff --git a/release/scripts/startup/bl_ui/space_toolsystem_toolbar.py b/release/scripts/startup/bl_ui/space_toolsystem_toolbar.py
index 42fac9e03a4..da86c1c03bc 100644
--- a/release/scripts/startup/bl_ui/space_toolsystem_toolbar.py
+++ b/release/scripts/startup/bl_ui/space_toolsystem_toolbar.py
@@ -91,7 +91,7 @@ class _defs_view3d_generic:
                 ("transform.translate",
                  dict(release_confirm=True, cursor_transform=True),
                  dict(type='EVT_TWEAK_A', value='ANY'),
-                ),
+                 ),
             ),
         )
 
@@ -292,7 +292,6 @@ class _defs_edit_armature:
 
 class _defs_edit_mesh:
 
-
     @ToolDef.from_fn
     def cube_add():
         return dict(
diff --git a/release/scripts/startup/bl_ui/space_userpref.py b/release/scripts/startup/bl_ui/space_userpref.py
index 1e090884fd1..d9cbc6416a3 100644
--- a/release/scripts/startup/bl_ui/space_userpref.py
+++ b/release/scripts/startup/bl_ui/space_userpref.py
@@ -141,7 +141,6 @@ class USERPREF_MT_app_templates(Menu):
             layout.operator_context = 'INVOKE_DEFAULT'
             props = layout.operator("wm.app_template_install")
 
-
     def draw(self, context):
         self.draw_ex(context, use_splash=False, use_default=True, use_install=True)
 
@@ -282,14 +281,14 @@ class USERPREF_PT_interface(Panel):
         row.separator()
 
         col = row.column()
-        #Toolbox doesn't exist yet
-        #col.label(text="Toolbox:")
+        # Toolbox doesn't exist yet
+        # col.label(text="Toolbox:")
         #col.prop(view, "show_column_layout")
         #col.label(text="Open Toolbox Delay:")
         #col.prop(view, "open_left_mouse_delay", text="Hold LMB")
         #col.prop(view, "open_right_mouse_delay", text="Hold RMB")
         col.prop(view, "show_manipulator")
-        ## Currently not working
+        # Currently not working
         # col.prop(view, "show_manipulator_shaded")
         sub = col.column()
         sub.active = view.show_manipulator
@@ -328,7 +327,6 @@ class USERPREF_PT_interface(Panel):
         col.prop(view, "show_view3d_cursor")
 
 
-
 class USERPREF_PT_edit(Panel):
     bl_space_type = 'USER_PREFERENCES'
     bl_label = "Edit"
@@ -412,7 +410,7 @@ class USERPREF_PT_edit(Panel):
 
         sub = col.column()
 
-        #~ sub.active = edit.use_keyframe_insert_auto # incorrect, time-line can enable
+        # ~ sub.active = edit.use_keyframe_insert_auto # incorrect, time-line can enable
         sub.prop(edit, "use_keyframe_insert_available", text="Only Insert Available")
 
         col.separator()
@@ -1217,7 +1215,7 @@ class USERPREF_PT_input(Panel):
 
         #sub.prop(inputs, "use_mouse_mmb_paste")
 
-        #col.separator()
+        # col.separator()
 
         sub = col.column()
         sub.prop(inputs, "invert_zoom_wheel", text="Invert Wheel Zoom Direction")
@@ -1332,7 +1330,7 @@ class USERPREF_PT_addons(Panel):
         'OFFICIAL': 'FILE_BLEND',
         'COMMUNITY': 'POSE_DATA',
         'TESTING': 'MOD_EXPLODE',
-        }
+    }
 
     @classmethod
     def poll(cls, context):
@@ -1410,7 +1408,6 @@ class USERPREF_PT_addons(Panel):
                 sub_col.label("    " + addon_file)
                 sub_col.label("    " + addon_path)
 
-
         if addon_utils.error_encoding:
             self.draw_error(
                 col,
@@ -1435,11 +1432,11 @@ class USERPREF_PT_addons(Panel):
 
             # check if addon should be visible with current filters
             if ((filter == "All") or
-                (filter == info["category"]) or
-                (filter == "Enabled" and is_enabled) or
-                (filter == "Disabled" and not is_enabled) or
-                (filter == "User" and (mod.__file__.startswith((scripts_addons_folder, userpref_addons_folder))))
-            ):
+                        (filter == info["category"]) or
+                        (filter == "Enabled" and is_enabled) or
+                    (filter == "Disabled" and not is_enabled) or
+                    (filter == "User" and (mod.__file__.startswith((scripts_addons_folder, userpref_addons_folder))))
+                    ):
                 if search and search not in info["name"].lower():
                     if info["author"]:
                         if search not in info["author"].lower():
diff --git a/release/scripts/startup/bl_ui/space_view3d_toolbar.py b/release/scripts/startup/bl_ui/space_view3d_toolbar.py
index f6dc64c7df7..cb9ddd470ce 100644
--- a/release/scripts/startup/bl_ui/space_view3d_toolbar.py
+++ b/release/scripts/startup/bl_ui/space_view3d_toolbar.py
@@ -70,7 +70,7 @@ def draw_vpaint_symmetry(layout, vpaint):
 
 class VIEW3D_PT_tools_meshedit_options(View3DPanel, Panel):
     bl_category = "Options"
-    bl_context = ".mesh_edit" # dot on purpose (access from topbar)
+    bl_context = ".mesh_edit"  # dot on purpose (access from topbar)
     bl_label = "Mesh Options"
 
     @classmethod
@@ -101,9 +101,10 @@ class VIEW3D_PT_tools_meshedit_options(View3DPanel, Panel):
 
 # ********** default tools for editmode_curve ****************
 
+
 class VIEW3D_PT_tools_curveedit_options_stroke(View3DPanel, Panel):
     bl_category = "Options"
-    bl_context = ".curve_edit" # dot on purpose (access from topbar)
+    bl_context = ".curve_edit"  # dot on purpose (access from topbar)
     bl_label = "Curve Stroke"
 
     def draw(self, context):
@@ -155,8 +156,6 @@ class VIEW3D_PT_tools_curveedit_options_stroke(View3DPanel, Panel):
                 colsub.prop(cps, "surface_plane", expand=True)
 
 
-
-
 # ********** default tools for editmode_armature ****************
 
 
@@ -175,7 +174,7 @@ class VIEW3D_PT_tools_armatureedit_options(View3DPanel, Panel):
 
 class VIEW3D_PT_tools_posemode_options(View3DPanel, Panel):
     bl_category = "Options"
-    bl_context = ".posemode" # dot on purpose (access from topbar)
+    bl_context = ".posemode"  # dot on purpose (access from topbar)
     bl_label = "Pose Options"
 
     def draw(self, context):
@@ -194,7 +193,7 @@ class View3DPaintPanel(UnifiedPaintPanel):
 
 class VIEW3D_PT_imapaint_tools_missing(Panel, View3DPaintPanel):
     bl_category = "Tools"
-    bl_context = ".imagepaint" # dot on purpose (access from topbar)
+    bl_context = ".imagepaint"  # dot on purpose (access from topbar)
     bl_label = "Missing Data"
 
     @classmethod
@@ -528,7 +527,7 @@ class VIEW3D_MT_tools_projectpaint_uvlayer(Menu):
 
 
 class VIEW3D_PT_slots_projectpaint(View3DPanel, Panel):
-    bl_context = ".imagepaint" # dot on purpose (access from topbar)
+    bl_context = ".imagepaint"  # dot on purpose (access from topbar)
     bl_label = "Slots"
     bl_category = "Slots"
 
@@ -589,7 +588,7 @@ class VIEW3D_PT_slots_projectpaint(View3DPanel, Panel):
 
 
 class VIEW3D_PT_stencil_projectpaint(View3DPanel, Panel):
-    bl_context = ".imagepaint" # dot on purpose (access from topbar)
+    bl_context = ".imagepaint"  # dot on purpose (access from topbar)
     bl_label = "Mask"
     bl_category = "Slots"
 
@@ -723,7 +722,7 @@ class VIEW3D_PT_tools_brush_texture(Panel, View3DPaintPanel):
 
 class VIEW3D_PT_tools_mask_texture(Panel, View3DPaintPanel):
     bl_category = "Tools"
-    bl_context = ".imagepaint" # dot on purpose (access from topbar)
+    bl_context = ".imagepaint"  # dot on purpose (access from topbar)
     bl_label = "Texture Mask"
     bl_options = {'DEFAULT_CLOSED'}
 
@@ -886,11 +885,11 @@ class VIEW3D_PT_sculpt_dyntopo(Panel, View3DPaintPanel):
     def draw_header(self, context):
         layout = self.layout
         layout.operator(
-                "sculpt.dynamic_topology_toggle",
-                icon='CHECKBOX_HLT' if context.sculpt_object.use_dynamic_topology_sculpting else 'CHECKBOX_DEHLT',
-                text="",
-                emboss=False,
-                )
+            "sculpt.dynamic_topology_toggle",
+            icon='CHECKBOX_HLT' if context.sculpt_object.use_dynamic_topology_sculpting else 'CHECKBOX_DEHLT',
+            text="",
+            emboss=False,
+        )
 
     def draw(self, context):
         layout = self.layout
@@ -1124,7 +1123,7 @@ class VIEW3D_PT_tools_vertexpaint_symmetry(Panel, View3DPaintPanel):
 
 class VIEW3D_PT_tools_imagepaint_external(Panel, View3DPaintPanel):
     bl_category = "Tools"
-    bl_context = ".imagepaint" # dot on purpose (access from topbar)
+    bl_context = ".imagepaint"  # dot on purpose (access from topbar)
     bl_label = "External"
     bl_options = {'DEFAULT_CLOSED'}
 
@@ -1146,7 +1145,7 @@ class VIEW3D_PT_tools_imagepaint_external(Panel, View3DPaintPanel):
 
 class VIEW3D_PT_tools_imagepaint_symmetry(Panel, View3DPaintPanel):
     bl_category = "Tools"
-    bl_context = ".imagepaint" # dot on purpose (access from topbar)
+    bl_context = ".imagepaint"  # dot on purpose (access from topbar)
     bl_label = "Symmetry"
     bl_options = {'DEFAULT_CLOSED'}
 
@@ -1165,7 +1164,7 @@ class VIEW3D_PT_tools_imagepaint_symmetry(Panel, View3DPaintPanel):
 
 class VIEW3D_PT_tools_projectpaint(View3DPaintPanel, Panel):
     bl_category = "Options"
-    bl_context = ".imagepaint" # dot on purpose (access from topbar)
+    bl_context = ".imagepaint"  # dot on purpose (access from topbar)
     bl_label = "Project Paint"
 
     @classmethod
@@ -1323,6 +1322,8 @@ class VIEW3D_PT_tools_grease_pencil_brush(GreasePencilBrushPanel, Panel):
     bl_space_type = 'VIEW_3D'
 
 # Grease Pencil drawingcurves
+
+
 class VIEW3D_PT_tools_grease_pencil_brushcurves(GreasePencilBrushCurvesPanel, Panel):
     bl_space_type = 'VIEW_3D'