Cleanup: redundant set/tuple use for comparison

io_import_images_as_planes.py

@@ -853,7 +853,7 @@ class IMPORT_IMAGE_OT_to_plane(Operator, AddObjectHelper):
     def invoke(self, context, event):
         engine = context.scene.render.engine
         if engine not in {'CYCLES', 'BLENDER_EEVEE'}:
-            if engine not in {'BLENDER_WORKBENCH'}:
+            if engine != 'BLENDER_WORKBENCH':
                 self.report({'ERROR'}, "Cannot generate materials for unknown %s render engine" % engine)
                 return {'CANCELLED'}
             else:

object_boolean_tools.py

@@ -355,7 +355,7 @@ class BTool_DrawPolyBrush(Operator):
             actObj.select_set(state=True)
             bpy.ops.gpencil.draw("INVOKE_DEFAULT", mode="DRAW_POLY")
 
-        if event.type in {"RIGHTMOUSE"}:
+        if event.type == "RIGHTMOUSE":
             # use this to pass to the Grease Pencil eraser (see T52321)
             pass
 
@@ -396,7 +396,7 @@ class BTool_DrawPolyBrush(Operator):
 
             return {"FINISHED"}
 
-        if event.type in {"ESC"}:
+        if event.type == "ESC":
             bpy.ops.ed.undo()  # remove o Grease Pencil
             self.set_cont_draw(context)
 

object_carver/carver_operator.py

@@ -210,7 +210,7 @@ class CARVER_OT_operator(bpy.types.Operator):
 		self.check_region(context,event)
 
 		for area in win.screen.areas:
-			if area.type in ('VIEW_3D'):
+			if area.type == 'VIEW_3D':
 				for region in area.regions:
 					if not region_types or region.type in region_types:
 						region.tag_redraw()

space_view3d_pie_menus/pie_animation_menu.py

@@ -80,7 +80,7 @@ class PIE_OT_InsertAutoKeyframe(Operator):
         ts.use_keyframe_insert_auto ^= 1
 
         for area in context.screen.areas:
-            if area.type in ('TIMELINE'):
+            if area.type == 'TIMELINE':
                 area.tag_redraw()
 
         return {'FINISHED'}