Remove references to old-style classes in a couple error messages

These don't exist in Python 3.
2019-07-10 13:27:28 +03:00
parent 602cd5e21f
commit f7747f5dd6
2 changed files with 2 additions and 5 deletions
@@ -151,7 +151,7 @@ class WarningsChecker(WarningsRecorder):
    def __init__(self, expected_warning=None, match_expr=None):
        super().__init__()

-        msg = "exceptions must be old-style classes or derived from Warning, not %s"
+        msg = "exceptions must be derived from Warning, not %s"
        if isinstance(expected_warning, tuple):
            for exc in expected_warning:
                if not inspect.isclass(exc):