fix HTTPClient using loop instead of _loop

Author: DA-344

discord/client.py

@@ -247,7 +247,7 @@ def __init__(
             proxy=proxy,
             proxy_auth=proxy_auth,
             unsync_clock=unsync_clock,
-            loop=self.loop,
+            loop=self._loop,
         )
 
         self._handlers: dict[str, Callable] = {"ready": self._handle_ready}
@@ -274,7 +274,7 @@ def __init__(
         self._tasks = set()
 
     async def __aenter__(self) -> Client:
-        if self._loop is MISSING:
+        if self._loop is None:
             try:
                 self._loop = asyncio.get_running_loop()
             except RuntimeError:

discord/http.py

@@ -175,9 +175,7 @@ def __init__(
         loop: asyncio.AbstractEventLoop | None = None,
         unsync_clock: bool = True,
     ) -> None:
-        self.loop: asyncio.AbstractEventLoop = (
-            asyncio.get_event_loop() if loop is None else loop
-        )
+        self.loop: asyncio.AbstractEventLoop = loop or MISSING
         self.connector = connector
         self.__session: aiohttp.ClientSession = MISSING  # filled in static_login
         self._locks: weakref.WeakValueDictionary = weakref.WeakValueDictionary()