diff options
Diffstat (limited to 'checkers/newstyle.py')
| -rw-r--r-- | checkers/newstyle.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/checkers/newstyle.py b/checkers/newstyle.py index 532f3f1..cf50229 100644 --- a/checkers/newstyle.py +++ b/checkers/newstyle.py @@ -79,9 +79,10 @@ class NewStyleConflictChecker(BaseChecker): """ if '__slots__' in node and not node.newstyle: self.add_message('slots-on-old-class', node=node) - # If the class node is not marked as newstyle and it has no explicitly - # defined metaclass, then it's an old style class. - if not node.newstyle and node.type == 'class' and not node.metaclass(): + # The node type could be class, exception, metaclass, or + # interface. Presumably, the non-class-type nodes would always + # have an explicit base class anyway. + if not node.bases and node.type == 'class' and not node.metaclass(): self.add_message('old-style-class', node=node) @check_messages('property-on-old-class') |