FSM storage closing now is async

aiogram/contrib/fsm_storage/memory.py

@@ -13,7 +13,7 @@ class MemoryStorage(BaseStorage):
     async def wait_closed(self):
         pass
 
-    def close(self):
+    async def close(self):
         self.data.clear()
 
     def __init__(self):

aiogram/contrib/fsm_storage/redis.py

@@ -43,7 +43,7 @@ class RedisStorage(BaseStorage):
         self._redis: aioredis.RedisConnection = None
         self._connection_lock = asyncio.Lock(loop=self._loop)
 
-    def close(self):
+    async def close(self):
         if self._redis and not self._redis.closed:
             self._redis.close()
             del self._redis

aiogram/dispatcher/storage.py

@@ -6,7 +6,7 @@ class BaseStorage:
     In states-storage you can save current user state and data for all steps
     """
 
-    def close(self):
+    async def close(self):
         """
         Need override this method and use when application is shutdowns.
         You can save data or etc.

examples/webhook_example.py

@@ -143,7 +143,7 @@ async def on_shutdown(app):
     await bot.delete_webhook()
 
     # Close Redis connection.
-    dp.storage.close()
+    await dp.storage.close()
     await dp.storage.wait_closed()