Cleanup: strip trailing space

7 files changed, 87 insertions, 87 deletions

diff --git a/greasepencil_tools/box_deform.py b/greasepencil_tools/box_deform.py
index 1f6d3abf..502c18ed 100644
--- a/greasepencil_tools/box_deform.py
+++ b/greasepencil_tools/box_deform.py
@@ -60,7 +60,7 @@ def view_cage(obj):
                 target_frames = [f for f in l.frames if f.select]
             else:
                 target_frames = [l.active_frame]
-            
+
             for f in target_frames:
                 for s in f.strokes:
                     if not s.select:
@@ -77,7 +77,7 @@ def view_cage(obj):
             for s in l.active_frame.strokes:
                 for p in s.points:
                     coords.append(obj.matrix_world @ p.co)
-    
+
     elif bpy.context.mode == 'PAINT_GPENCIL':
         # get last stroke points coordinated
         if not gpl.active or not gpl.active.active_frame:
@@ -85,12 +85,12 @@ def view_cage(obj):
 
         if not len(gpl.active.active_frame.strokes):
             return 'No stroke found to deform'
-        
+
         paint_id = -1
         if bpy.context.scene.tool_settings.use_gpencil_draw_onback:
             paint_id = 0
         coords = [obj.matrix_world @ p.co for p in gpl.active.active_frame.strokes[paint_id].points]
-    
+
     else:
         return 'Wrong mode!'
 
@@ -106,24 +106,24 @@ def view_cage(obj):
 
     if bpy.context.mode == 'EDIT_GPENCIL':
         vg = assign_vg(obj, vg_name)
-    
+
     if bpy.context.mode == 'PAINT_GPENCIL':
         # points cannot be assign to API yet(ugly and slow workaround but only way)
         # -> https://developer.blender.org/T56280 so, hop'in'ops !
-        
+
         # store selection and deselect all
         plist = []
         for s in gpl.active.active_frame.strokes:
             for p in s.points:
                 plist.append([p, p.select])
                 p.select = False
-        
+
         # select
         ## foreach_set does not update
         # gpl.active.active_frame.strokes[paint_id].points.foreach_set('select', [True]*len(gpl.active.active_frame.strokes[paint_id].points))
         for p in gpl.active.active_frame.strokes[paint_id].points:
             p.select = True
-        
+
         # assign
         bpy.ops.object.mode_set(mode='EDIT_GPENCIL')
         vg = assign_vg(obj, vg_name)
@@ -131,7 +131,7 @@ def view_cage(obj):
         # restore
         for pl in plist:
             pl[0].select = pl[1]
-        
+
 
     ## View axis Mode ---
 
@@ -216,7 +216,7 @@ def view_cage(obj):
 
     if initial_mode == 'PAINT_GPENCIL':
         mod.layer = gpl.active.info
-    
+
     # note : if initial was Paint, changed to Edit
     #        so vertex attribution is valid even for paint
     if bpy.context.mode == 'EDIT_GPENCIL':
@@ -226,7 +226,7 @@ def view_cage(obj):
     if bpy.context.mode != 'OBJECT':
         bpy.ops.object.mode_set(mode='OBJECT')
 
-    # Store name of deformed object in case of 'revive modal' 
+    # Store name of deformed object in case of 'revive modal'
     cage.vertex_groups.new(name=obj.name)
 
     ## select and make cage active
@@ -245,7 +245,7 @@ def view_cage(obj):
 def back_to_obj(obj, gp_mode, org_lattice_toolset, context):
     if context.mode == 'EDIT_LATTICE' and org_lattice_toolset:# Tweaktoolcode - restore the active tool used by lattice edit..
         bpy.ops.wm.tool_set_by_id(name = org_lattice_toolset)# Tweaktoolcode
-    
+
     # gp object active and selected
     bpy.ops.object.mode_set(mode='OBJECT')
     obj.select_set(True)
@@ -273,9 +273,9 @@ def cancel_cage(gp_obj, cage):
         gp_obj.grease_pencil_modifiers.remove(mod)
     else:
         print('tmp_lattice modifier not found to remove...')
-    
+
     delete_cage(cage)
-    
+
 
 class GP_OT_latticeGpDeform(bpy.types.Operator):
     """Create a lattice to use as quad corner transform"""
@@ -302,7 +302,7 @@ valid:Spacebar/Enter, cancel:Del/Backspace/Tab/Ctrl+T"
         if event.type in {'Z'} and event.value == 'PRESS' and event.ctrl:
             ## Disable (capture key)
             return {"RUNNING_MODAL"}
-            ## Not found how possible to find modal start point in undo stack to 
+            ## Not found how possible to find modal start point in undo stack to
             # print('ops list', context.window_manager.operators.keys())
             # if context.window_manager.operators:#can be empty
             #     print('\nlast name', context.window_manager.operators[-1].name)
@@ -320,7 +320,7 @@ valid:Spacebar/Enter, cancel:Del/Backspace/Tab/Ctrl+T"
         if event.type in {'H'} and event.value == 'PRESS':
             # self.report({'INFO'}, "Can't hide")
             return {"RUNNING_MODAL"}
-        
+
         if event.type in {'ONE'} and event.value == 'PRESS':# , 'NUMPAD_1'
             self.lat.points_u = self.lat.points_v = 2
             return {"RUNNING_MODAL"}
@@ -361,25 +361,25 @@ valid:Spacebar/Enter, cancel:Del/Backspace/Tab/Ctrl+T"
             self.lat.points_u = 2
             self.lat.points_v = 1
             return {"RUNNING_MODAL"}
-        
+
         if event.type in {'RIGHT_ARROW'} and event.value == 'PRESS' and event.ctrl:
             if self.lat.points_u < 20:
-                self.lat.points_u += 1 
+                self.lat.points_u += 1
             return {"RUNNING_MODAL"}
 
         if event.type in {'LEFT_ARROW'} and event.value == 'PRESS' and event.ctrl:
             if self.lat.points_u > 1:
-                self.lat.points_u -= 1 
+                self.lat.points_u -= 1
             return {"RUNNING_MODAL"}
 
         if event.type in {'UP_ARROW'} and event.value == 'PRESS' and event.ctrl:
             if self.lat.points_v < 20:
-                self.lat.points_v += 1 
+                self.lat.points_v += 1
             return {"RUNNING_MODAL"}
 
         if event.type in {'DOWN_ARROW'} and event.value == 'PRESS' and event.ctrl:
             if self.lat.points_v > 1:
-                self.lat.points_v -= 1 
+                self.lat.points_v -= 1
             return {"RUNNING_MODAL"}
 
 
@@ -397,15 +397,15 @@ valid:Spacebar/Enter, cancel:Del/Backspace/Tab/Ctrl+T"
                 self.restore_prefs(context)
                 back_to_obj(self.gp_obj, self.gp_mode, self.org_lattice_toolset, context)
                 apply_cage(self.gp_obj, self.cage)#must be in object mode
-                
-                # back to original mode 
+
+                # back to original mode
                 if self.gp_mode != 'OBJECT':
                     bpy.ops.object.mode_set(mode=self.gp_mode)
 
                 context.area.header_text_set(None)#reset header
 
                 return {'FINISHED'}
-        
+
         # Abort ---
         # One Warning for Tab cancellation.
         if event.type == 'TAB' and event.value == 'PRESS':
@@ -432,14 +432,14 @@ valid:Spacebar/Enter, cancel:Del/Backspace/Tab/Ctrl+T"
         self.restore_prefs(context)
         back_to_obj(self.gp_obj, self.gp_mode, self.org_lattice_toolset, context)
         cancel_cage(self.gp_obj, self.cage)
-        context.area.header_text_set(None)     
+        context.area.header_text_set(None)
         if self.gp_mode != 'OBJECT':
             bpy.ops.object.mode_set(mode=self.gp_mode)
 
     def store_prefs(self, context):
         # store_valierables <-< preferences
-        self.use_drag_immediately = context.preferences.inputs.use_drag_immediately 
-        self.drag_threshold_mouse = context.preferences.inputs.drag_threshold_mouse 
+        self.use_drag_immediately = context.preferences.inputs.use_drag_immediately
+        self.drag_threshold_mouse = context.preferences.inputs.drag_threshold_mouse
         self.drag_threshold_tablet = context.preferences.inputs.drag_threshold_tablet
         self.use_overlays = context.space_data.overlay.show_overlays
         # maybe store in windows manager to keep around in case of modal revival ?
@@ -450,7 +450,7 @@ valid:Spacebar/Enter, cancel:Del/Backspace/Tab/Ctrl+T"
         context.preferences.inputs.drag_threshold_mouse = self.drag_threshold_mouse
         context.preferences.inputs.drag_threshold_tablet = self.drag_threshold_tablet
         context.space_data.overlay.show_overlays = self.use_overlays
-    
+
     def set_prefs(self, context):
         context.preferences.inputs.use_drag_immediately = True
         context.preferences.inputs.drag_threshold_mouse = 1
@@ -475,8 +475,8 @@ valid:Spacebar/Enter, cancel:Del/Backspace/Tab/Ctrl+T"
         self.org_lattice_toolset = None
         ## usability toggles
         if self.prefs.use_clic_drag:#Store the active tool since we will change it
-            self.org_lattice_toolset = bpy.context.workspace.tools.from_space_view3d_mode(bpy.context.mode, create=False).idname# Tweaktoolcode    
-        
+            self.org_lattice_toolset = bpy.context.workspace.tools.from_space_view3d_mode(bpy.context.mode, create=False).idname# Tweaktoolcode
+
         #store (scene properties needed in case of ctrlZ revival)
         self.store_prefs(context)
         self.gp_mode = 'EDIT_GPENCIL'
@@ -502,17 +502,17 @@ valid:Spacebar/Enter, cancel:Del/Backspace/Tab/Ctrl+T"
 
         if context.object.type != 'GPENCIL':
             # self.report({'ERROR'}, "Works only on gpencil objects")
-            ## silent return 
+            ## silent return
             return {'CANCELLED'}
 
         #paint need VG workaround. object need good shortcut
         if context.mode not in ('EDIT_GPENCIL', 'OBJECT', 'PAINT_GPENCIL'):
             # self.report({'WARNING'}, "Works only in following GPencil modes: edit")# ERROR
-            ## silent return 
+            ## silent return
             return {'CANCELLED'}
 
         # bpy.ops.ed.undo_push(message="Box deform step")#don't work as expected (+ might be obsolete)
-        # https://developer.blender.org/D6147 <- undo forget 
+        # https://developer.blender.org/D6147 <- undo forget
 
         self.gp_obj = context.object
         # Clean potential failed previous job (delete tmp lattice)
@@ -529,10 +529,10 @@ valid:Spacebar/Enter, cancel:Del/Backspace/Tab/Ctrl+T"
         if [m for m in self.gp_obj.grease_pencil_modifiers if m.type == 'GP_LATTICE']:
             self.report({'ERROR'}, "Grease pencil object already has a lattice modifier (can only have one)")
             return {'CANCELLED'}
-        
+
 
         self.gp_mode = context.mode#store mode for restore
-        
+
         # All good, create lattice and start modal
 
         # Create lattice (and switch to lattice edit) ----
@@ -540,7 +540,7 @@ valid:Spacebar/Enter, cancel:Del/Backspace/Tab/Ctrl+T"
         if isinstance(self.cage, str):#error, cage not created, display error
             self.report({'ERROR'}, self.cage)
             return {'CANCELLED'}
-        
+
         self.lat = self.cage.data
 
         self.set_prefs(context)
@@ -581,4 +581,4 @@ def unregister():
     wm = bpy.context.window_manager
     p = 'boxdeform_running'
     if p in wm:
-        del wm[p]
\ No newline at end of file
+        del wm[p]
diff --git a/greasepencil_tools/import_brush_pack.py b/greasepencil_tools/import_brush_pack.py
index 90d186c3..b1306bed 100644
--- a/greasepencil_tools/import_brush_pack.py
+++ b/greasepencil_tools/import_brush_pack.py
@@ -30,7 +30,7 @@ def download_url(url, dest):
     import time
     ssl._create_default_https_context = ssl._create_unverified_context
     start_time = time.time()
-    
+
     try:
         with urllib.request.urlopen(url) as response, open(dest, 'wb') as out_file:
             shutil.copyfileobj(response, out_file)
@@ -53,7 +53,7 @@ def get_brushes(blend_fp):
     ## force fake user for the brushes
     for b in data_to.brushes:
         b.use_fake_user = True
-    
+
     return len(data_to.brushes)
 
 class GP_OT_install_brush_pack(bpy.types.Operator):
@@ -101,12 +101,12 @@ class GP_OT_install_brush_pack(bpy.types.Operator):
         if not temp:
             self.report({'ERROR'}, 'no os temporary directory found to download brush pack (using python tempfile.gettempdir())')
             return {"CANCELLED"}
-        
+
         self.temp = Path(temp)
 
         ## download link from gitlab
-        # brush pack project https://gitlab.com/pepe-school-land/gp-brush-pack 
-        repo_url = r'https://gitlab.com/api/v4/projects/21994857' 
+        # brush pack project https://gitlab.com/pepe-school-land/gp-brush-pack
+        repo_url = r'https://gitlab.com/api/v4/projects/21994857'
         tree_url = f'{repo_url}/repository/tree'
 
         ## need to create an SSl context or linux fail and raise unverified ssl
@@ -127,7 +127,7 @@ class GP_OT_install_brush_pack(bpy.types.Operator):
 
             self.report({'ERROR'}, f'Check your internet connexion, Impossible to connect to url: {tree_url}')
             return {"CANCELLED"}
-        
+
         if not html:
             self.report({'ERROR'}, f'No response read from: {tree_url}')
             return {"CANCELLED"}
@@ -154,7 +154,7 @@ class GP_OT_install_brush_pack(bpy.types.Operator):
         dl_url = f"{repo_url}/repository/blobs/{id_num}/raw"
 
         self.brushzip = self.temp / zipname
-        
+
 
         ### Load existing files instead of redownloading if exists and up to date (same hash)
         if self.brushzip.exists():
@@ -167,20 +167,20 @@ class GP_OT_install_brush_pack(bpy.types.Operator):
                 while len(fb) > 0:
                     file_hash.update(fb)
                     fb = f.read(BLOCK_SIZE)
-            
+
             if file_hash.hexdigest() == id_num: # same git SHA1
-                ## is up to date, install 
+                ## is up to date, install
                 print(f'{self.brushzip} is up do date, appending brushes')
                 self._install_from_zip()
                 return {"FINISHED"}
-        
+
         ## Download, unzip, use blend
         print(f'Downloading brushpack in {self.brushzip}')
         ## https://cloud.blender.org/p/gallery/5f235cc297f8815e74ffb90b
 
         fallback_url='https://gitlab.com/pepe-school-land/gp-brush-pack/-/blob/master/Official_GP_brush_pack_v01.zip'
         err = simple_dl_url(dl_url, str(self.brushzip), fallback_url)
-        # err = download_url(dl_url, str(self.brushzip), fallback_url) 
+        # err = download_url(dl_url, str(self.brushzip), fallback_url)
 
         if err:
             self.report({'ERROR'}, 'Could not download brush pack. Check your internet connection. (see console for detail)')
@@ -195,4 +195,4 @@ def register():
     bpy.utils.register_class(GP_OT_install_brush_pack)
 
 def unregister():
-    bpy.utils.unregister_class(GP_OT_install_brush_pack)
\ No newline at end of file
+    bpy.utils.unregister_class(GP_OT_install_brush_pack)
diff --git a/greasepencil_tools/line_reshape.py b/greasepencil_tools/line_reshape.py
index 608b95b2..b994b8d6 100644
--- a/greasepencil_tools/line_reshape.py
+++ b/greasepencil_tools/line_reshape.py
@@ -15,7 +15,7 @@
 #  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 #
 # ##### END GPL LICENSE BLOCK #####
- 
+
 '''Based on GP_refine_stroke 0.2.4 - Author: Samuel Bernou'''
 
 import bpy
@@ -36,10 +36,10 @@ def vector_len_from_coord(a, b):
     Get two points (that has coordinate 'co' attribute) or Vectors (2D or 3D)
     Return length as float
     '''
-    from mathutils import Vector    
+    from mathutils import Vector
     if type(a) is Vector:
         return (a - b).length
-    else:   
+    else:
         return (a.co - b.co).length
 
 def point_from_dist_in_segment_3d(a, b, ratio):
@@ -53,7 +53,7 @@ def get_stroke_length(s):
     all_len = 0.0
     for i in range(0, len(s.points)-1):
         #print(vector_len_from_coord(s.points[i],s.points[i+1]))
-        all_len += vector_len_from_coord(s.points[i],s.points[i+1])   
+        all_len += vector_len_from_coord(s.points[i],s.points[i+1])
     return (all_len)
 
 ### --- Functions
@@ -63,7 +63,7 @@ def to_straight_line(s, keep_points=True, influence=100, straight_pressure=True)
     keep points : if false only start and end point stay
     straight_pressure : (not available with keep point) take the mean pressure of all points and apply to stroke.
     '''
-    
+
     p_len = len(s.points)
     if p_len <= 2: # 1 or 2 points only, cancel
         return
@@ -83,21 +83,21 @@ def to_straight_line(s, keep_points=True, influence=100, straight_pressure=True)
         full_dist = get_stroke_length(s)
         dist_from_start = 0.0
         coord_list = []
-        
+
         for i in range(1, p_len-1):#all but first and last
             dist_from_start += vector_len_from_coord(s.points[i-1],s.points[i])
             ratio = dist_from_start / full_dist
             # dont apply directly (change line as we measure it in loop)
             coord_list.append( point_from_dist_in_segment_3d(A, B, ratio) )
-        
+
         # apply change
         for i in range(1, p_len-1):
             ## Direct super straight 100%
             #s.points[i].co = coord_list[i-1]
-            
+
             ## With influence
             s.points[i].co = point_from_dist_in_segment_3d(s.points[i].co, coord_list[i-1], influence / 100)
-    
+
     return
 
 def get_last_index(context=None):
@@ -119,9 +119,9 @@ class GP_OT_straightStroke(bpy.types.Operator):
         return context.active_object is not None and context.object.type == 'GPENCIL'
         #and context.mode in ('PAINT_GPENCIL', 'EDIT_GPENCIL')
 
-    influence_val : bpy.props.FloatProperty(name="Straight force", description="Straight interpolation percentage", 
+    influence_val : bpy.props.FloatProperty(name="Straight force", description="Straight interpolation percentage",
     default=100, min=0, max=100, step=2, precision=1, subtype='PERCENTAGE', unit='NONE')
-    
+
     def execute(self, context):
         gp = context.object.data
         gpl = gp.layers
@@ -130,16 +130,16 @@ class GP_OT_straightStroke(bpy.types.Operator):
 
         if context.mode == 'PAINT_GPENCIL':
             if not gpl.active or not gpl.active.active_frame:
-                self.report({'ERROR'}, 'No Grease pencil frame found') 
+                self.report({'ERROR'}, 'No Grease pencil frame found')
                 return {"CANCELLED"}
 
             if not len(gpl.active.active_frame.strokes):
-                self.report({'ERROR'}, 'No strokes found.') 
+                self.report({'ERROR'}, 'No strokes found.')
                 return {"CANCELLED"}
 
             s = gpl.active.active_frame.strokes[get_last_index(context)]
             to_straight_line(s, keep_points=True, influence=self.influence_val)
-        
+
         elif context.mode == 'EDIT_GPENCIL':
             ct = 0
             for l in gpl:
@@ -150,15 +150,15 @@ class GP_OT_straightStroke(bpy.types.Operator):
                     target_frames = [f for f in l.frames if f.select]
                 else:
                     target_frames = [l.active_frame]
-                
+
                 for f in target_frames:
                     for s in f.strokes:
                         if s.select:
                             ct += 1
                             to_straight_line(s, keep_points=True, influence=self.influence_val)
-            
+
             if not ct:
-                self.report({'ERROR'}, 'No selected stroke found.') 
+                self.report({'ERROR'}, 'No selected stroke found.')
                 return {"CANCELLED"}
 
         ## filter method
@@ -172,7 +172,7 @@ class GP_OT_straightStroke(bpy.types.Operator):
         #     to_straight_line(s, keep_points=True, influence = self.influence_val)#, straight_pressure=True
 
         return {"FINISHED"}
-    
+
     def draw(self, context):
         layout = self.layout
         layout.prop(self, "influence_val")
diff --git a/greasepencil_tools/prefs.py b/greasepencil_tools/prefs.py
index 69b92780..b8b9894d 100644
--- a/greasepencil_tools/prefs.py
+++ b/greasepencil_tools/prefs.py
@@ -74,13 +74,13 @@ class GreasePencilAddonPrefs(bpy.types.AddonPreferences):
         name='Use click drag directly on points',
         description="Change the active tool to 'tweak' during modal, Allow to direct clic-drag points of the box",
         default=True)
-    
+
     default_deform_type : EnumProperty(
         items=(('KEY_LINEAR', "Linear (perspective mode)", "Linear interpolation, like corner deform / perspective tools of classic 2D", 'IPO_LINEAR',0),
                ('KEY_BSPLINE', "Spline (smooth deform)", "Spline interpolation transformation\nBest when lattice is subdivided", 'IPO_CIRC',1),
                ),
         name='Starting Interpolation', default='KEY_LINEAR', description='Choose default interpolation when entering mode')
-    
+
     # About interpolation : https://docs.blender.org/manual/en/2.83/animation/shape_keys/shape_keys_panel.html#fig-interpolation-type
 
     auto_swap_deform_type : BoolProperty(
@@ -112,7 +112,7 @@ class GreasePencilAddonPrefs(bpy.types.AddonPreferences):
             ('MIDDLEMOUSE', 'Mid click', 'Use click on Mid mouse button', 'MOUSE_MMB', 2),
             ),
         update=auto_rebind)
-    
+
     use_shift: BoolProperty(
             name = "combine with shift",
             description = "add shift",
@@ -139,8 +139,8 @@ class GreasePencilAddonPrefs(bpy.types.AddonPreferences):
             row.prop(self, "pref_tabs", expand=True)
 
             if self.pref_tabs == 'PREF':
-                
-                ## TAB CATEGORY 
+
+                ## TAB CATEGORY
                 box = layout.box()
                 row = box.row(align=True)
                 row.label(text="Panel Category:")
@@ -153,7 +153,7 @@ class GreasePencilAddonPrefs(bpy.types.AddonPreferences):
                 # box.separator()
                 box.prop(self, "default_deform_type")
                 box.label(text="Deformer type can be changed during modal with 'M' key, this is for default behavior", icon='INFO')
-                
+
                 box.prop(self, "auto_swap_deform_type")
                 box.label(text="Once 'M' is hit, auto swap is desactivated to stay in your chosen mode", icon='INFO')
 
@@ -164,7 +164,7 @@ class GreasePencilAddonPrefs(bpy.types.AddonPreferences):
                 box.prop(self, "canvas_use_shortcut", text='Bind Shortcuts')
 
                 if self.canvas_use_shortcut:
-                    
+
                     row = box.row()
                     row.label(text="(Auto rebind when changing shortcut)")#icon=""
                     # row.operator("prefs.rebind_shortcut", text='Bind/Rebind shortcuts', icon='FILE_REFRESH')#EVENT_SPACEKEY
@@ -255,4 +255,4 @@ def register():
 def unregister():
     unregister_keymaps()
     bpy.utils.unregister_class(GreasePencilAddonPrefs)
-    bpy.utils.unregister_class(GPTS_timeline_settings)
\ No newline at end of file
+    bpy.utils.unregister_class(GPTS_timeline_settings)
diff --git a/greasepencil_tools/rotate_canvas.py b/greasepencil_tools/rotate_canvas.py
index 2ba5ed34..aec6e900 100644
--- a/greasepencil_tools/rotate_canvas.py
+++ b/greasepencil_tools/rotate_canvas.py
@@ -83,14 +83,14 @@ class RC_OT_RotateCanvas(bpy.types.Operator):
             if self.in_cam:
                 self.cam.matrix_world = self.cam_matrix
                 self.cam.rotation_euler.rotate_axis("Z", self.angle)
-            
+
             else:#free view
                 context.space_data.region_3d.view_rotation = self._rotation
                 rot = context.space_data.region_3d.view_rotation
                 rot = rot.to_euler()
                 rot.rotate_axis("Z", self.angle)
                 context.space_data.region_3d.view_rotation = rot.to_quaternion()
-        
+
         if event.type in {'RIGHTMOUSE', 'LEFTMOUSE', 'MIDDLEMOUSE'} and event.value == 'RELEASE':
             if not self.angle:
                 # self.report({'INFO'}, 'Reset')
@@ -98,7 +98,7 @@ class RC_OT_RotateCanvas(bpy.types.Operator):
                 context.space_data.region_3d.view_rotation = aim.to_track_quat('Z','Y')#track Z, up Y
             self.execute(context)
             return {'FINISHED'}
-        
+
         if event.type == 'ESC':#Cancel
             self.execute(context)
             if self.in_cam:
@@ -118,10 +118,10 @@ class RC_OT_RotateCanvas(bpy.types.Operator):
         if self.in_cam:
             # Get camera from scene
             self.cam = bpy.context.scene.camera
-            
+
             #return if one element is locked (else bypass location)
             if self.cam.lock_rotation[:] != (False, False, False):
-                self.report({'WARNING'}, 'Camera rotation is locked') 
+                self.report({'WARNING'}, 'Camera rotation is locked')
                 return {'CANCELLED'}
 
             self.center = self.get_center_view(context, self.cam)
@@ -135,21 +135,21 @@ class RC_OT_RotateCanvas(bpy.types.Operator):
 
         else:
             self.center = mathutils.Vector((context.area.width/2, context.area.height/2))
-            
+
             # store current rotation
             self._rotation = context.space_data.region_3d.view_rotation.copy()
 
         # Get current mouse coordination
         self.pos_current = mathutils.Vector((event.mouse_region_x, event.mouse_region_y))
-        
+
         self.initial_pos = self.pos_current# for draw debug, else no need
         # Calculate inital vector
         self.vector_initial = self.pos_current - self.center
         self.vector_initial.normalize()
-        
+
         # Initializes the current vector with the same initial vector.
         self.vector_current = self.vector_initial.copy()
-        
+
         args = (self, context)
         if self.hud:
             self._handle = bpy.types.SpaceView3D.draw_handler_add(draw_callback_px, args, 'WINDOW', 'POST_PIXEL')
@@ -167,4 +167,4 @@ def unregister():
     bpy.utils.unregister_class(RC_OT_RotateCanvas)
 
 # if __name__ == "__main__":
-#     register()
\ No newline at end of file
+#     register()
diff --git a/greasepencil_tools/timeline_scrub.py b/greasepencil_tools/timeline_scrub.py
index bd7edebe..1f89f4d1 100644
--- a/greasepencil_tools/timeline_scrub.py
+++ b/greasepencil_tools/timeline_scrub.py
@@ -227,7 +227,7 @@ class GPTS_OT_time_scrub(bpy.types.Operator):
         self.my = my = event.mouse_region_y
 
         self.hud_lines = []
-        
+
         # frame marks
         for x in hud_pos_x:
             self.hud_lines.append((x, my - (frame_height/2)))
diff --git a/greasepencil_tools/ui_panels.py b/greasepencil_tools/ui_panels.py
index 715c4db5..292d0e5a 100644
--- a/greasepencil_tools/ui_panels.py
+++ b/greasepencil_tools/ui_panels.py
@@ -27,7 +27,7 @@ class GP_PT_sidebarPanel(bpy.types.Panel):
     def draw(self, context):
         layout = self.layout
         layout.use_property_split = True
-        
+
         # Box deform ops
         self.layout.operator_context = 'INVOKE_DEFAULT'
         layout.operator('gp.latticedeform', icon ="MOD_MESHDEFORM")# MOD_LATTICE, LATTICE_DATA