[commands] Try to use the proper name when conversion fails.

2017-06-17 21:16:10 -04:00
parent 851d4ce22a
commit 7d001ef46e
1 changed files with 6 additions and 1 deletions
--- a/discord/ext/commands/core.py
+++ b/discord/ext/commands/core.py
@@ -254,7 +254,12 @@ class Command:
        except CommandError as e:
            raise e
        except Exception as e:
-            raise BadArgument('Converting to "{0.__name__}" failed.'.format(converter)) from e
+            try:
+                name = converter.__name__
+            except AttributeError:
+                name = converter.__class__.__name__
+
+            raise BadArgument('Converting to "{}" failed.'.format(name)) from e

    @property
    def clean_params(self):