def register_user(): response = { 'msg': 'success' } try: name = flask.request.get_json()['name'] gender = flask.request.get_json()['gender'] age = flask.request.get_json()['age'] user = User() user.name = name user.gender = gender user.age = age session.add(user) session.commit() except Exception as e: traceback.print_exc() session.rollback() response['msg'] = str(e) return flask.jsonify(response)