def has_new_commits(self):
        if self.is_new():
            return True
        else:
            return self._review_hash != self._tracking_hash
Return a list of username strings based on the provided emails.
dataset/ETHPy150Open bloomberg/phabricator-tools/py/abd/abdt_branch.py/Branch.has_new_commits--crossover with--dataset/ETHPy150Open bloomberg/phabricator-tools/py/abd/abdt_conduitmock.py/ConduitMock.query_users_from_emails