Create models/init.py

app/models/init.py

@@ -0,0 +1,8 @@
+from .user import User
+from .doctor import Doctor
+from .patient import Patient
+from .followup import Followup
+from .tenant import Tenant
+from .ai_agent import AIAgent
+
+__all__ = ['User', 'Doctor', 'Patient', 'Followup', 'Tenant', 'AIAgent']