specifying the query_cls when calling query_property

api/models/base.py

@@ -1,6 +1,7 @@
+from flask_sqlalchemy.query import Query
 from sqlalchemy.orm import declarative_base
 
 from models.engine import db, metadata
 
 Base = declarative_base(metadata=metadata)
-Base.query = db.session.query_property()
+Base.query = db.session.query_property(query_cls=Query)