[commands] Fix AttributeError for classes missing convert attribute

4 years ago · 0efb720cec
1 changed files with 1 additions and 1 deletions
--- a/discord/ext/commands/core.py
+++ b/discord/ext/commands/core.py
@ -444,7 +444,7 @@ class Command(_BaseCommand):

        try:
            if inspect.isclass(converter):
-                if inspect.ismethod(converter.convert):
+                if inspect.ismethod(getattr(converter, 'convert', None)):
                    if converter.convert.__self__ is converter:
                        # class method
                        func = converter.convert