def is_directed(G):
    return G.is_directed()
To remove a user from a customer owner group, delete corresponding connection (**url** field).
dataset/ETHPy150Open networkx/networkx/networkx/classes/function.py/is_directed--crossover with--dataset/ETHPy150Open opennode/nodeconductor/nodeconductor/structure/views.py/CustomerPermissionViewSet.retrieve