MLab Object ID retrieval error

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MLab Object ID retrieval error



I'm using Mlab to host my mongoDB database. I've been having trouble to obtain the object ID from the Mlab collections. I'm using a flask extension called Flask-MongoAlchemy for this. I've been trying to obtain the object ID in this way but in vain.
Here's the code I've used for this:


employee = Employee.query.filter_by(email=request.form['email']).first()
session['employee_id'] = employee.get_or_404(id)



Here's the schema:



"_id":
"$oid": "5b6735ac911cb113afede8ad"
,
"email": "saicharan.reddy1@gmail.com",
"password": "$2b$10$iqj0re6ssg2Y9MxZPuJFcOP/rh7zX6umcS5jG7XHLFeD7V8rpMn.S",
"first_name": "Saicharan",
"last_name": "Reddy"









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