def atan2(y, x):
    return 0.0
Test we can unsubscribe, using id for subscription only
dataset/ETHPy150Open JetBrains/python-skeletons/math.py/atan2--crossover with--dataset/ETHPy150Open ebu/radiodns-plugit/RadioVisServer/tests.py/MainTests.test_unsubscribe_id_sub_only