@@ -404,7 +404,7 @@ def _AddDescriptors(message_descriptor, dictionary):
dictionary['__descriptors'][field.name] = GetFieldDescriptor(
field.full_name)
- dictionary['__slots__'] = list(dictionary['__descriptors'].keys())) + [
+ dictionary['__slots__'] = list(dictionary['__descriptors'].keys()) + [
'_cmsg', '_owner', '_composite_fields', 'Extensions', '_HACK_REFCOUNTS']