Fix cancel bug in session

Fixes a bug where certain parts of session were passing `ctx` to cancel when not required.

Author: EvieePy

discord/ext/buttons/buttons.py

@@ -115,7 +115,7 @@ async def _session_loop(self, ctx):
                 future.cancel()
 
             if not done:
-                return ctx.bot.loop.create_task(self.cancel(ctx))
+                return ctx.bot.loop.create_task(self.cancel())
 
             try:
                 result = done.pop()
@@ -126,7 +126,7 @@ async def _session_loop(self, ctx):
                 else:
                     action = False
             except Exception:
-                return ctx.bot.loop.create_task(self.cancel(ctx))
+                return ctx.bot.loop.create_task(self.cancel())
 
             emoji = self.get_emoji_as_string(payload.emoji)
             button = self.buttons[emoji]