Update app.py

app.py

@@ -127,8 +127,8 @@ def create_agent_app(db_path: str):
     # Construct the SQLite URI from the given file path.
     # Ensure the db_path is absolute so that SQLAlchemy can locate the file.
     abs_db_path = os.path.abspath(db_path)
-    DATABASE_URI = abs_db_path
     global DATABASE_URI
+    DATABASE_URI = abs_db_path    
     db_uri = f"sqlite:///{abs_db_path}"
     
     # Create new SQLDatabase connection using the constructed URI.