pexpect install problem

i have installed 开发者_C百科pexpect with the following command "python setup.py install" but when i try to run a program it says "AttributeError: 'module' object has no attribute 'spawn'". how to settle the matter?

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It looks like pexpect wasn't ported yet to python 3 (quite a late answer, but still usable for people googling here)

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Pexpect has not been ported to python3, and apparently the author has no plans on doing so. I tried converting it with the python 2to3 program, but could not get it to work.

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Pexpect does support Python3 according to Pypi.

What is your OS? If Windows, then you should use pexpect.popen_spawn.PopenSpawn instead. More details here: https://pexpect.readthedocs.io/en/stable/overview.html#pexpect-on-windows