diff options
| -rw-r--r-- | discord/ext/commands/core.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/discord/ext/commands/core.py b/discord/ext/commands/core.py index c594ec97..0463c843 100644 --- a/discord/ext/commands/core.py +++ b/discord/ext/commands/core.py @@ -149,6 +149,10 @@ class Command: self.usage = kwargs.get('usage') self.rest_is_raw = kwargs.get('rest_is_raw', False) self.aliases = kwargs.get('aliases', []) + + if not isinstance(self.aliases, (list, tuple)): + raise TypeError("Aliases of a command must be a list of strings.") + self.description = inspect.cleandoc(kwargs.get('description', '')) self.hidden = kwargs.get('hidden', False) signature = inspect.signature(callback) |