def RunForever(self):
    raise NotImplementedError()
This function calls a TaskManager's subclass 'klass' asynchronously.
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/ext/vmruntime/vmservice.py/VmRuntimeServer.RunForever--crossover with--dataset/ETHPy150Open openstack/fuel-web/nailgun/nailgun/utils/mule.py/call_task_manager_async