importerror when I use pathos

Question

I try to use pathos for multiprocessing，but when I start the
process, I get the ImportError:no module named pp，please help me. I download pathos from github, install by python setup.py, python version 2.7.8,

Answer 1

I'm the pathos author. pathos has a few dependencies, and if you are installing pathos by hand (as you are doing now), you have to get all of the dependencies for it fully work.

The easiest thing to do is to use pip, and pip install pathos. Or, you can first install setuptools, and then repeat what you already have done (install by hand), and setuptools will grab and install the dependencies for you.

Or if you do want to do everything the hard way… then you need to install dill, pox, ppft, and multiprocess. Install them before installing pathos.

It's typically much much easier if you have setuptools installed.