Traceback (most recent call last):


 "C:\Program 
s\JetBrains\PyCharm Community Edition 2018.3\helpers\pydev\pydevd.py", line 1689, in <module>

main()


 "C:\Program 
s\JetBrains\PyCharm Community Edition 2018.3\helpers\pydev\pydevd.py", line 1683, in main

globals = debugger.run(setup['file'], None, None, is_module)


 "C:\Program 
s\JetBrains\PyCharm Community Edition 2018.3\helpers\pydev\pydevd.py", line 1083, in run

pydev_imports.execfile(file, globals, locals)
# execute the script


 "C:\Program 
s\JetBrains\PyCharm Community Edition 2018.3\helpers\pydev\_pydev_imps\_pydev_execfile.py", line 18, in execfile

exec(compile(contents+"\n", file, 'exec'), glob, loc)


 "C:/Users/dv90863/git/mario/demos/hello_world_demo.py", line 82, in <module>

main_task_cls=HelloWorldTask)


 "C:\Users\dv90863\py3_6_mario\lib\site-packages\luigi\interface.py", line 192, in run

return _run(*args, **kwargs)['success']


 "C:\Users\dv90863\py3_6_mario\lib\site-packages\luigi\interface.py", line 209, in _run

return _schedule_and_run([cp.get_task_obj()], worker_scheduler_factory)


 "C:\Users\dv90863\py3_6_mario\lib\site-packages\luigi\interface.py", line 170, in _schedule_and_run

success &= worker.add(t, env_params.parallel_scheduling, env_params.parallel_scheduling_processes)


 "C:\Users\dv90863\py3_6_mario\lib\site-packages\luigi\worker.py", line 740, in add

current = queue.get()


 "<string>", line 2, in get


 "c:\program files\python36\Lib\multiprocessing\managers.py", line 757, in _callmethod

kind, result = conn.recv()


 "c:\program files\python36\Lib\multiprocessing\connection.py", line 251, in recv

return _ForkingPickler.loads(buf.getbuffer())
AttributeError: Can't get attribute 'HelloWorldTask' on <module 'pydevd' from 'C:\\Program 
s\\JetBrains\\PyCharm Community Edition 2018.3\\helpers\\pydev\\pydevd.py'>
Traceback (most recent call last):


 "./venv/lib/python3.7/site-packages/guild/op.py", line 238, in _op_watch_proc

return _proc_wait(proc, stop_after)


 "./venv/lib/python3.7/site-packages/guild/op.py", line 267, in _proc_wait

return op_util.wait_for_proc(proc, stop_after)
AttributeError: module 'guild.op_util' has no attribute 'wait_for_proc'
