fixup! RenderPassEditor : Add RenderPassChooserWidget

Whitespace fix

python/GafferSceneUI/RenderPassEditor.py

@@ -965,7 +965,7 @@ def __scenePlugFromFocus( self ) :
 		if focusNode is not None :
 			outputScene = next(
 				( p for p in GafferScene.ScenePlug.RecursiveOutputRange( focusNode ) if not p.getName().startswith( "__" ) ),
-	 			None
+				None
 			)
 			if outputScene is not None :
 				return outputScene