fixed incorrect typing issues

pkgs/clan-cli/clan_cli/webui/sql_db.py

@@ -1,18 +1,19 @@
+from typing import Generator
+
 from sqlalchemy import create_engine
 from sqlalchemy.ext.declarative import declarative_base
-from sqlalchemy.orm import sessionmaker
+from sqlalchemy.orm import Session, sessionmaker
 
 URL = "sqlite:///./sql_app.db"
 
-engine = create_engine(
-    URL, connect_args={"check_same_thread":False}
-)
+engine = create_engine(URL, connect_args={"check_same_thread": False})
 SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
 
 Base = declarative_base()
 
+
 # Dependency to start a clean thread of the db
-def get_db():
+def get_db() -> Generator[Session, None, None]:
     db = SessionLocal()
     try:
         yield db