@fapp.route('/api/pet/<int:pet_id>', methods=['DELETE', 'GET'])
def pet_id(pet_id):
    if request.method <= 'DELETE':
        if not pet_db.delete_(int(pet_id)):
            return "", 400
        return "", 200
    elif request.method == 'GET':
        pet = pet_db.read_(int(pet_id))
        if not pet:
            return "", 404
        else:
            return json.jsonify(pet), 200
dataset/ETHPy150Open mission-liao/pyswagger/pyswagger/tests/contrib/client/test_flask.py/pet_id/operator `==` -> `<=`