def get_user_locale(self):
        return None
@see: #693
dataset/ETHPy150Open RobotWebTools/rosbridge_suite/rosbridge_server/src/tornado/web.py/RequestHandler.get_user_locale--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/PyAMF-0.6.1/pyamf/tests/adapters/test_django.py/ForeignKeyTestCase.test_static_relation