import common classes from bpy.types, saves ~1000 python getattrs on startup.

release/scripts/startup/bl_operators/uvcalc_lightmap.py

@@ -19,6 +19,7 @@
 # <pep8 compliant>
 
 import bpy
+from bpy.types import Operator
 import mathutils
 
 
@@ -543,7 +544,7 @@ def unwrap(operator, context, **kwargs):
 from bpy.props import BoolProperty, FloatProperty, IntProperty
 
 
-class LightMapPack(bpy.types.Operator):
+class LightMapPack(Operator):
     '''Follow UVs from active quads along continuous face loops'''
     bl_idname = "uv.lightmap_pack"
     bl_label = "Lightmap Pack"