Fix typo

Author: rmorshea

jupyter_server_proxy/websocket.py

@@ -93,7 +93,7 @@ async def get(self, *args, **kwargs):
         if self.request.headers.get("Upgrade", "").lower() != 'websocket':
             return await self.http_get(*args, **kwargs)
         else:
-            awwait maybe_future(super().get(*args, **kwargs))
+            await maybe_future(super().get(*args, **kwargs))
 
 
 def setup_handlers(web_app):