Fix Alembic migration import path issue

migrations/env.py

@@ -2,6 +2,11 @@
 Alembic environment configuration
 """
 from logging.config import fileConfig
+import os
+import sys
+
+# Add the parent directory to the Python path
+sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
 
 from sqlalchemy import engine_from_config
 from sqlalchemy import pool