diff --git a/blenderkit/utils.py b/blenderkit/utils.py
index 0892bdb271b43ffd12087e34e6b29cbd3d9dc6b3..245d52363152c8402c03375548019411692e654a 100644
--- a/blenderkit/utils.py
+++ b/blenderkit/utils.py
@@ -827,4 +827,4 @@ def label_multiline(layout, text='', icon='NONE', width=-1):
         icon = 'NONE'
 
 def trace():
-    traceback.print_stack()
\ No newline at end of file
+    traceback.print_stack()
diff --git a/greasepencil_tools/prefs.py b/greasepencil_tools/prefs.py
index 701fea3f78e8f09fa545b314e77bd7fc222a25ab..270497b098d4a707cfc61d800ab5f38950cc3e75 100644
--- a/greasepencil_tools/prefs.py
+++ b/greasepencil_tools/prefs.py
@@ -179,7 +179,7 @@ class GreasePencilAddonPrefs(bpy.types.AddonPreferences):
 
                 if not self.use_ctrl and not self.use_alt and not self.use_shift:
                     box.label(text="Choose at least one modifier to combine with click (default: Ctrl+Alt)", icon="ERROR")# INFO
-                
+
                 if not all((self.use_ctrl, self.use_alt, self.use_shift)):
                     row = box.row(align = True)
                     snap_key_list = []
diff --git a/greasepencil_tools/rotate_canvas.py b/greasepencil_tools/rotate_canvas.py
index 12a71670bd8e64a724a18e988f5d281f084d7795..12ee73398e446f67183b90fb8e123cdefff27679 100644
--- a/greasepencil_tools/rotate_canvas.py
+++ b/greasepencil_tools/rotate_canvas.py
@@ -14,7 +14,7 @@ from gpu_extras.batch import batch_for_shader
 from gpu_extras.presets import draw_circle_2d
 
 def step_value(value, step):
-    '''return the step closer to the passed value''' 
+    '''return the step closer to the passed value'''
     abs_angle = abs(value)
     diff = abs_angle % step
     lower_step = abs_angle - diff
@@ -93,7 +93,7 @@ class RC_OT_RotateCanvas(bpy.types.Operator):
             # Calculates the angle between initial and current vectors
             self.angle = self.vector_initial.angle_signed(self.vector_current)#radian
             # print (math.degrees(self.angle), self.vector_initial, self.vector_current)
-            
+
 
             ## handle snap key
             snap = False
@@ -216,7 +216,7 @@ class RC_OT_Set_rotation(bpy.types.Operator):
         return context.space_data.region_3d.view_perspective == 'CAMERA'
 
     def execute(self, context):
-        cam_ob = context.scene.camera 
+        cam_ob = context.scene.camera
         cam_ob['stored_rotation'] = cam_ob.rotation_euler
         if not cam_ob.get('_RNA_UI'):
             cam_ob['_RNA_UI'] = {}
@@ -239,7 +239,7 @@ class RC_OT_Reset_rotation(bpy.types.Operator):
         return context.space_data.region_3d.view_perspective == 'CAMERA' and context.scene.camera.get('stored_rotation')
 
     def execute(self, context):
-        cam_ob = context.scene.camera 
+        cam_ob = context.scene.camera
         cam_ob.rotation_euler = cam_ob['stored_rotation']
         return {'FINISHED'}
 
diff --git a/greasepencil_tools/timeline_scrub.py b/greasepencil_tools/timeline_scrub.py
index c2ead228d044243285e6551b87b722b60aee0508..d742b594c7c3c060247d3985b04116e108d3764a 100644
--- a/greasepencil_tools/timeline_scrub.py
+++ b/greasepencil_tools/timeline_scrub.py
@@ -144,7 +144,7 @@ class GPTS_OT_time_scrub(bpy.types.Operator):
         self.snap_on = False
         self.mouse = (event.mouse_region_x, event.mouse_region_y)
         self.init_mouse_x = self.cursor_x = event.mouse_region_x
-        
+
         # self.init_mouse_y = event.mouse_region_y # only to display init frame text
         self.init_frame = self.new_frame = context.scene.frame_current
         self.lock_range = context.scene.lock_frame_selection_to_range
@@ -154,7 +154,7 @@ class GPTS_OT_time_scrub(bpy.types.Operator):
         else:
             self.f_start = context.scene.frame_start
             self.f_end = context.scene.frame_end
-            
+
         self.offset = 0
         self.pos = []
 
@@ -191,7 +191,7 @@ class GPTS_OT_time_scrub(bpy.types.Operator):
                     for frame in layer.frames:
                         if frame.frame_number not in self.pos:
                             self.pos.append(frame.frame_number)
-        
+
         if not ob or not self.pos:
             # Disable inverted behavior if no frame to snap
             self.always_snap = False
@@ -207,7 +207,7 @@ class GPTS_OT_time_scrub(bpy.types.Operator):
         if context.space_data.type == 'VIEW_3D':  # and 'GPENCIL' in context.mode
             self.onion_skin = self.active_space_data.overlay.use_gpencil_onion_skin
             self.active_space_data.overlay.use_gpencil_onion_skin = False
-        
+
         if ob and ob.type == 'GPENCIL':
             if ob.data.use_multiedit:
                 self.multi_frame = ob.data.use_multiedit
@@ -335,7 +335,7 @@ class GPTS_OT_time_scrub(bpy.types.Operator):
         # (after drawing batch so those are still showed)
         if self.lock_range:
             self.pos = [i for i in self.pos if self.f_start <= i <= self.f_end]
-        
+
         # convert frame list to array for numpy snap utility
         self.pos = np.asarray(self.pos)