def __init__(self, x, y=1):
Helper method for calling a method across all mechanism drivers.
dataset/ETHPy150Open ipython/ipython-py3k/IPython/core/tests/test_oinspect.py/Call.__init__--crossover with--dataset/ETHPy150Open openstack/neutron/neutron/plugins/ml2/managers.py/MechanismManager._call_on_drivers