@requires_auth
    def unwatch(self, project):
        return self.get_value("unwatch", project, filter='repository',
                              datatype=Repository)
Downgrade assets db by removing the 'auto_close_date' column.
dataset/ETHPy150Open ask/python-github2/github2/repositories.py/Repositories.unwatch--crossover with--dataset/ETHPy150Open quantopian/zipline/zipline/assets/asset_db_migrations.py/_downgrade_v2