def __init__(self, location, actor, **kw):
        super(DepartureEvent, self).__init__(location, actor, **kw)
Syncnronous BeginTransaction operation.
dataset/ETHPy150Open twisted/imaginary/imaginary/events.py/DepartureEvent.__init__--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/datastore/datastore_rpc.py/BaseConnection.begin_transaction