code cleanup: minor improvements to scripts.

- make wm-property operators use INTERNAL option.
- make console use str.expandtabs() rather then replacing tab->spaces.

release/scripts/startup/bl_operators/sequencer.py

@@ -126,10 +126,7 @@ class SequencerDeinterlaceSelectedMovies(Operator):
 
     @classmethod
     def poll(cls, context):
-        if context.scene and context.scene.sequence_editor:
-            return True
-        else:
-            return False
+        return (context.scene and context.scene.sequence_editor)
 
     def execute(self, context):
         for s in context.scene.sequence_editor.sequences_all: