def has_changes(self):

        return bool(self.added or self.deleted)
Returns User-Agent.
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/orm/attributes.py/History.has_changes--crossover with--dataset/ETHPy150Open mozillazg/bustard/tests/httpbin/core.py/view_user_agent