Merge pull request #727 from Ratery/master

Add reason kwarg to Thread.edit method

Author: Lulalaby

discord/threads.py

@@ -526,6 +526,7 @@ async def edit(
         invitable: bool = MISSING,
         slowmode_delay: int = MISSING,
         auto_archive_duration: ThreadArchiveDuration = MISSING,
+        reason: Optional[str] = None
     ) -> Thread:
         """|coro|
 
@@ -555,6 +556,8 @@ async def edit(
         slowmode_delay: :class:`int`
             Specifies the slowmode rate limit for user in this thread, in seconds.
             A value of ``0`` disables slowmode. The maximum value possible is ``21600``.
+        reason: Optional[:class:`str`]
+            The reason for editing this thread. Shows up on the audit log.
 
         Raises
         -------
@@ -582,7 +585,7 @@ async def edit(
         if slowmode_delay is not MISSING:
             payload['rate_limit_per_user'] = slowmode_delay
 
-        data = await self._state.http.edit_channel(self.id, **payload)
+        data = await self._state.http.edit_channel(self.id, **payload, reason=reason)
         # The data payload will always be a Thread payload
         return Thread(data=data, state=self._state, guild=self.guild)  # type: ignore