Correct stop of loop, mysql and influx

mysql_related.py

@@ -1,9 +1,10 @@
-from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
+from sqlalchemy.ext.asyncio import (create_async_engine, AsyncSession,
+                                    async_sessionmaker, AsyncEngine)
 
-mysql_engine = None
+
+mysql_engine: AsyncEngine
 mysql_SessionLocal: async_sessionmaker
 
-
 def mysql_init(db_type: str, host: str, port: int, db_name: str, user: str, password: str):
     """Initialize DB engine + session factory"""
     global mysql_engine, mysql_SessionLocal
@@ -37,11 +38,13 @@ def mysql_init(db_type: str, host: str, port: int, db_name: str, user: str, pass
     )
     print(f"mysql_SessionLocal: {mysql_SessionLocal}")
 
-def get_session_local() -> AsyncSession:
-    return mysql_SessionLocal()
+def get_mysql_engine() -> AsyncEngine:
+    return mysql_engine
 
+def get_mysql_session_local() -> AsyncSession:
+    return mysql_SessionLocal()
 
 async def get_mysql_db():
     """FastAPI dependency for providing DB sessions"""
-    async with get_session_local() as session:
+    async with get_mysql_session_local() as session:
        yield session