def start(self, start_loop=True):
        self._tornado.start(start_loop=start_loop)
Primary email should match email format.
dataset/ETHPy150Open bokeh/bokeh/bokeh/server/server.py/Server.start--crossover with--dataset/ETHPy150Open bmun/huxley/huxley/api/tests/school/test_create_school.py/CreateSchoolTestCase.test_invalid_primary_email_format