Traceback (most recent call last):


 "plug.pyo", line 109, in load_plugins


 "plug.pyo", line 40, in __init__
AttributeError: 'module' object has no attribute 'plugin_start'

Traceback (most recent call last):


 "/home/travis/.local/lib/python2.7/site-packages/ray-0.1.2-py2.7-linux-x86_64.egg/ray/worker.py", line 1504, in fetch_and_execute_function_to_run

function = pickle.loads(serialized_function)


 "/home/travis/miniconda/lib/python2.7/pickle.py", line 1388, in loads

return Unpickler(file).load()


 "/home/travis/miniconda/lib/python2.7/pickle.py", line 864, in load

dispatch[key](self)


 "/home/travis/miniconda/lib/python2.7/pickle.py", line 1139, in load_reduce

value = func(*args)


 "/home/travis/miniconda/lib/python2.7/site-packages/cloudpickle/cloudpickle.py", line 1053, in _rehydrate_skeleton_class

setattr(skeleton_class, attrname, attr)
AttributeError: attribute '__dict__' of 'type' objects is not writable
