Fix code style issues with Black

discord/context_managers.py

@@ -32,11 +32,10 @@ if TYPE_CHECKING:
 
     from types import TracebackType
 
-    TypingT = TypeVar('TypingT', bound='Typing')
+    TypingT = TypeVar("TypingT", bound="Typing")
+
+__all__ = ("Typing",)
 
-__all__ = (
-    'Typing',
-)
 
 def _typing_done_callback(fut: asyncio.Future) -> None:
     # just retrieve any exception and call it a day
@@ -45,6 +44,7 @@ def _typing_done_callback(fut: asyncio.Future) -> None:
     except (asyncio.CancelledError, Exception):
         pass
 
+
 class Typing:
     def __init__(self, messageable: Messageable) -> None:
         self.loop: asyncio.AbstractEventLoop = messageable._state.loop
@@ -67,7 +67,8 @@ class Typing:
         self.task.add_done_callback(_typing_done_callback)
         return self
 
-    def __exit__(self,
+    def __exit__(
+        self,
         exc_type: Optional[Type[BaseException]],
         exc_value: Optional[BaseException],
         traceback: Optional[TracebackType],
@@ -79,7 +80,8 @@ class Typing:
         await channel._state.http.send_typing(channel.id)
         return self.__enter__()
 
-    async def __aexit__(self,
+    async def __aexit__(
+        self,
         exc_type: Optional[Type[BaseException]],
         exc_value: Optional[BaseException],
         traceback: Optional[TracebackType],