keep ignoring unused imports to have same behavior

erp5flakes/__init__.py

@@ -29,7 +29,9 @@ except ImportError:
     def begin_transaction():
         get_transaction().begin()
 
-ignored_messages = (messages.ReturnOutsideFunction, )
+ignored_messages = (
+        messages.UnusedImport,
+        messages.ReturnOutsideFunction, )
 
 def check(codeString, filename, bound_names=()):
     bound_names = [n for n in bound_names if not hasattr(__builtin__, n)]