Cleanup: pep8, blank lines

3 files changed, 9 insertions, 1 deletions

diff --git a/intern/cycles/blender/addon/engine.py b/intern/cycles/blender/addon/engine.py
index 67e448db859..a50b733eda2 100644
--- a/intern/cycles/blender/addon/engine.py
+++ b/intern/cycles/blender/addon/engine.py
@@ -224,6 +224,7 @@ def system_info():
     import _cycles
     return _cycles.system_info()
 
+
 def list_render_passes(scene, srl):
     # Builtin Blender passes.
     yield ("Combined", "RGBA", 'COLOR')
@@ -298,6 +299,7 @@ def list_render_passes(scene, srl):
         else:
             yield (aov.name, "RGBA", 'COLOR')
 
+
 def register_passes(engine, scene, view_layer):
     # Detect duplicate render pass names, first one wins.
     listed = set()
@@ -306,6 +308,7 @@ def register_passes(engine, scene, view_layer):
             engine.register_pass(scene, view_layer, name, len(channelids), channelids, channeltype)
             listed.add(name)
 
+
 def detect_conflicting_passes(scene, view_layer):
     # Detect conflicting render pass names for UI.
     counter = {}
diff --git a/intern/cycles/blender/addon/operators.py b/intern/cycles/blender/addon/operators.py
index 3c8e79eaba5..895e1a83c66 100644
--- a/intern/cycles/blender/addon/operators.py
+++ b/intern/cycles/blender/addon/operators.py
@@ -203,6 +203,7 @@ classes = (
     CYCLES_OT_merge_images
 )
 
+
 def register():
     from bpy.utils import register_class
     for cls in classes:
diff --git a/intern/cycles/blender/addon/properties.py b/intern/cycles/blender/addon/properties.py
index 45d25720aff..3d4dafb43ad 100644
--- a/intern/cycles/blender/addon/properties.py
+++ b/intern/cycles/blender/addon/properties.py
@@ -188,11 +188,13 @@ def enum_openimagedenoise_denoiser(self, context):
         return [('OPENIMAGEDENOISE', "OpenImageDenoise", "Use Intel OpenImageDenoise AI denoiser running on the CPU", 4)]
     return []
 
+
 def enum_optix_denoiser(self, context):
     if not context or bool(context.preferences.addons[__package__].preferences.get_devices_for_type('OPTIX')):
         return [('OPTIX', "OptiX", "Use the OptiX AI denoiser with GPU acceleration, only available on NVIDIA GPUs", 2)]
     return []
 
+
 def enum_preview_denoiser(self, context):
     optix_items = enum_optix_denoiser(self, context)
     oidn_items = enum_openimagedenoise_denoiser(self, context)
@@ -206,12 +208,14 @@ def enum_preview_denoiser(self, context):
     items += oidn_items
     return items
 
+
 def enum_denoiser(self, context):
     items = [('NLM', "NLM", "Cycles native non-local means denoiser, running on any compute device", 1)]
     items += enum_optix_denoiser(self, context)
     items += enum_openimagedenoise_denoiser(self, context)
     return items
 
+
 enum_denoising_input_passes = (
     ('RGB', "Color", "Use only color as input", 1),
     ('RGB_ALBEDO', "Color + Albedo", "Use color and albedo data as input", 2),
@@ -1325,6 +1329,7 @@ class CyclesAOVPass(bpy.types.PropertyGroup):
         default=""
     )
 
+
 class CyclesRenderLayerSettings(bpy.types.PropertyGroup):
 
     pass_debug_bvh_traversed_nodes: BoolProperty(
@@ -1644,7 +1649,6 @@ class CyclesPreferences(bpy.types.AddonPreferences):
             col.label(text="OptiX support is experimental", icon='INFO')
             col.label(text="Not all Cycles features are supported yet", icon='BLANK1')
 
-
     def draw_impl(self, layout, context):
         row = layout.row()
         row.prop(self, "compute_device_type", expand=True)