def op_args(x):
    if isvar(x):
        return None, None
    try:
        return operator(x), arguments(x)
    except NotImplementedError:
        return None, None
Ensure that events from 'Online' country (W3) get some location data
dataset/ETHPy150Open logpy/logpy/logpy/assoccomm.py/op_args--crossover with--dataset/ETHPy150Open swcarpentry/amy/workshops/test/test_event.py/TestEvent.test_online_country_enforced_values