def get_current_bookmark(self):
        return execute(['hg', 'id', '-B'], ignore_errors=True).strip()
Return True if graph is a multigraph, False otherwise.
dataset/ETHPy150Open reviewboard/rbtools/rbtools/clients/mercurial.py/MercurialClient.get_current_bookmark--crossover with--dataset/ETHPy150Open gkno/gkno_launcher/src/networkx/classes/multidigraph.py/MultiDiGraph.is_multigraph