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Crashing on interactively defined functions (jupyter notebook): AttributeError: Can't get attribute on <module

See original GitHub issue

from joblib import Parallel, delayed
def f(x): return x**2
Parallel(n_jobs=3)(delayed(f)(i) for i in range(10))

yields:

  File "...\lib\multiprocessing\connection.py", line 251, in recv
    return _ForkingPickler.loads(buf.getbuffer())
AttributeError: Can't get attribute 'f' on <module '__main__' (built-in)>

Environment:

joblib: 0.11 Python: 3.6.1 Anaconda Jupyter Notebook Windows 10

Issue Analytics

State:
Created 5 years ago
Comments:6 (4 by maintainers)

Top GitHub Comments

1reaction

ogriselcommented, Jul 7, 2018

Have you tried with joblib 0.12? This should be fixed. If so let’s close this.

0reactions

albertcthomascommented, Sep 3, 2018

I ran into the same issue and I can also confirm that this is fixed in 0.12

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