def make_raw_diff(self):
        try:
            return self._repo.checkout_make_raw_diff(
                self._review_branch.remote_base,
                self._review_branch.remote_branch,
                _MAX_DIFF_SIZE)
        except abdt_differ.NoDiffError:
            raise abdt_exception.NoDiffException(
                self.base_branch_name(),
                self.review_branch_name(),
                self.review_branch_hash())
Implementing methods should return list of TaskFlow task objects.
dataset/ETHPy150Open bloomberg/phabricator-tools/py/abd/abdt_branch.py/Branch.make_raw_diff--crossover with--dataset/ETHPy150Open MirantisWorkloadMobility/CloudFerry/cloudferry/lib/os/migrate/base.py/MigrationFlowFactory.create_flow