Waiting for terminating_task to be finished

Author: blast-hardcheese

src/replit_river/v2/session.py

@@ -321,6 +321,8 @@ def unbind_connecting_task() -> None:
             )
 
         await self._connecting_task
+        if self._terminating_task:
+            await self._terminating_task
 
     def is_closed(self) -> bool:
         """