def commit_deltas_from(self, other_repo, ref='master', other_ref='master'):
        repo_refs = self.git.rev_list(ref, '--').strip().splitlines()
        other_repo_refs = other_repo.git.rev_list(other_ref, '--').strip().splitlines()

        diff_refs = list(set(other_repo_refs) - set(repo_refs))
        return map(lambda ref: Commit.find_all(other_repo, ref, max_count=1)[0], diff_refs)
Returns a list of commits that is in ``other_repo`` but not in self
dataset/ETHPy150Open kergoth/git-origin/git-python/lib/git/repo.py/Repo.commit_deltas_from