[commands] Change BotT to be covariant

3 years ago · 02b79eb219
1 changed files with 1 additions and 1 deletions
--- a/discord/ext/commands/_types.py
+++ b/discord/ext/commands/_types.py
@ -51,7 +51,7 @@ CoroFunc = Callable[..., Coro[Any]]

 ContextT = TypeVar('ContextT', bound='Context')
 _Bot = Union['Bot', 'AutoShardedBot']
-BotT = TypeVar('BotT', bound=_Bot)
+BotT = TypeVar('BotT', bound=_Bot, covariant=True)

 Check = Union[Callable[["Cog", "ContextT"], MaybeCoro[bool]], Callable[["ContextT"], MaybeCoro[bool]]]
 Hook = Union[Callable[["Cog", "ContextT"], Coro[Any]], Callable[["ContextT"], Coro[Any]]]