Aaron Y
10/16/2020, 7:30 PMnicholas
Aaron Y
10/16/2020, 7:33 PMnicholas
Aaron Y
10/16/2020, 7:36 PMThe "freeze_support()" line Task exception was never retrieved
future: <Task finished name='Task-14' coro=<_wrap_awaitable() done, defined at /usr/local/anaconda3/lib/python3.8/asyncio/tasks.py:677> exception=RuntimeError('\n An attempt has been made to start a new process before the\n current process has finished its bootstrapping phase.\n\n This probably means that you are not using fork to start your\n child processes and you have forgotten to use the proper idiom\n in the main module:\n\n if __name__ == \'__main__\':\n freeze_support()\n ...\n\n The "freeze_support()" line can be omitted if the program\n is not going to be frozen to produce an executable.')>
Traceback (most recent call last):
File "/usr/local/anaconda3/lib/python3.8/asyncio/tasks.py", line 684, in _wrap_awaitable
return (yield from awaitable.__await__())
File "/Users/aaronyang/.local/share/virtualenvs/PostProcessing_Template-c6_vRqT-/lib/python3.8/site-packages/distributed/core.py", line 305, in _
await self.start()
File "/Users/aaronyang/.local/share/virtualenvs/PostProcessing_Template-c6_vRqT-/lib/python3.8/site-packages/distributed/nanny.py", line 295, in start
response = await self.instantiate()
File "/Users/aaronyang/.local/share/virtualenvs/PostProcessing_Template-c6_vRqT-/lib/python3.8/site-packages/distributed/nanny.py", line 378, in instantiate
result = await self.process.start()
File "/Users/aaronyang/.local/share/virtualenvs/PostProcessing_Template-c6_vRqT-/lib/python3.8/site-packages/distributed/nanny.py", line 575, in start
await self.process.start()
File "/Users/aaronyang/.local/share/virtualenvs/PostProcessing_Template-c6_vRqT-/lib/python3.8/site-packages/distributed/process.py", line 34, in _call_and_set_future
res = func(*args, **kwargs)
File "/Users/aaronyang/.local/share/virtualenvs/PostProcessing_Template-c6_vRqT-/lib/python3.8/site-packages/distributed/process.py", line 202, in _start
process.start()
File "/usr/local/anaconda3/lib/python3.8/multiprocessing/process.py", line 121, in start
self._popen = self._Popen(self)
File "/usr/local/anaconda3/lib/python3.8/multiprocessing/context.py", line 283, in _Popen
return Popen(process_obj)
File "/usr/local/anaconda3/lib/python3.8/multiprocessing/popen_spawn_posix.py", line 32, in __init__
super().__init__(process_obj)
File "/usr/local/anaconda3/lib/python3.8/multiprocessing/popen_fork.py", line 19, in __init__
self._launch(process_obj)
File "/usr/local/anaconda3/lib/python3.8/multiprocessing/popen_spawn_posix.py", line 42, in _launch
prep_data = spawn.get_preparation_data(process_obj._name)
File "/usr/local/anaconda3/lib/python3.8/multiprocessing/spawn.py", line 154, in get_preparation_data
_check_not_importing_main()
File "/usr/local/anaconda3/lib/python3.8/multiprocessing/spawn.py", line 134, in _check_not_importing_main
raise RuntimeError('''
RuntimeError:
An attempt has been made to start a new process before the
current process has finished its bootstrapping phase.
This probably means that you are not using fork to start your
child processes and you have forgotten to use the proper idiom
in the main module:
if __name__ == '__main__':
freeze_support()
...
The "freeze_support()" line can be omitted if the program
is not going to be frozen to produce an executable.
can be omitted if the program
is not going to be frozen to produce an executable.
Aaron Y
10/16/2020, 7:37 PMtransform
function just prints the keys of each dictnicholas