pool_pre_ping add (#17)

Author: grigoriev-semyon

design_bot/routes/base.py

@@ -39,6 +39,7 @@ async def dispatch(self, request: Request, call_next: RequestResponseEndpoint) -
     DBSessionMiddleware,
     db_url=settings.DB_DSN,
     session_args={"autocommit": True},
+    engine_args={"pool_pre_ping": True}
 )
 
 app.add_middleware(LimitUploadSize, max_upload_size=3145728)

design_bot/settings.py

@@ -1,8 +1,7 @@
-from typing import Any
-
-from pydantic import BaseSettings, PostgresDsn, DirectoryPath, FilePath, Json
 from functools import lru_cache
 
+from pydantic import BaseSettings, PostgresDsn, DirectoryPath
+
 
 class Settings(BaseSettings):
     """Application settings"""