Cleanup: avoid early imports, remove unused variable

scripts/startup/bl_ui/space_graph.py

@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 from bpy.types import Header, Menu, Panel
-from bl_ui_utils.layout import operator_context
 from bl_ui.space_dopesheet import (
     DopesheetFilterPopoverBase,
     dopesheet_filter,
@@ -241,6 +240,8 @@ class GRAPH_MT_key(Menu):
     bl_label = "Key"
 
     def draw(self, _context):
+        from bl_ui_utils.layout import operator_context
+
         layout = self.layout
 
         layout.menu("GRAPH_MT_key_transform", text="Transform")

scripts/startup/bl_ui/space_topbar.py

@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 import bpy
 from bpy.types import Header, Menu, Panel
-from bl_ui_utils.layout import operator_context
 
 from bpy.app.translations import (
     pgettext_iface as iface_,
@@ -643,11 +642,10 @@ class TOPBAR_MT_window(Menu):
 
     def draw(self, context):
         import sys
+        from bl_ui_utils.layout import operator_context
 
         layout = self.layout
 
-        operator_context_default = layout.operator_context
-
         layout.operator("wm.window_new")
         layout.operator("wm.window_new_main")
 

scripts/startup/bl_ui/space_view3d.py

@@ -1,6 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 import bpy
-from bl_ui_utils.layout import operator_context
 from bpy.types import (
     Header,
     Menu,
@@ -2831,6 +2830,8 @@ class VIEW3D_MT_object_parent(Menu):
     bl_label = "Parent"
 
     def draw(self, _context):
+        from bl_ui_utils.layout import operator_context
+
         layout = self.layout
 
         layout.operator_enum("object.parent_set", "type")