rna flag PROP_ENUM_FLAG which makes rna props a tuple of enums when converted into a PyObject

only used by wm.invoke_props_popup() currently

release/scripts/op/object.py

@@ -61,8 +61,7 @@ class SelectPattern(bpy.types.Operator):
 
     def invoke(self, context, event):
         wm = context.manager
-        wm.invoke_props_popup(self, event)
-        return ('RUNNING_MODAL',)
+        return wm.invoke_props_popup(self, event)
 
     def draw(self, context):
         layout = self.layout