Traceback (most recent call last):


 "customWidget.pyo", line 622, in retries


 "customWidget.pyo", line 603, in retry
TypeError: argument of type 'NoneType' is not iterable

Traceback (most recent call last):


 "/usr/lib/python3.6/site-packages/ray-0.2.2-py3.6-linux-x86_64.egg/ray/worker.py", line 1553, in fetch_and_execute_function_to_run

function = pickle.loads(serialized_function)
TypeError: _fill_function() takes 5 positional arguments but 6 were given
