"import py" > No module named py

Question

I am trying to run a py.test script. When the script try to import py, I get a "No module named py"

I have py.test and python successfully installed.

My error message:

$ python >>> import py Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: No module named py

The sqript I am trying to run, are named run_tests.py, and are made by my University. It runs for all other people. It starts like this:

# This script can be used to automatically check the assignments of students import py import os import sys import argparse verbose = True # List of assignment names and achie.....

My py.test version: 2.7.2, python version: 2.7.9, runing OSX

There is no module named py. Do you mean that you wrote a script and saved it as py.test? Why would you do that and why would you expect Python to look for a file named py.test when you write import py? — John Coleman
– John Coleman, Commented Sep 21, 2015 at 12:58
@JohnColeman: there is library named py: pypi.python.org/pypi/py/1.4.30 — Tom-db
– Tom-db, Commented Sep 21, 2015 at 13:05
@TommasoDiBucchianico good to know -- I should have said that there is no standard module which is part of the default Python install. — John Coleman
– John Coleman, Commented Sep 21, 2015 at 13:15

Tom-db · Accepted Answer · 2015-09-21 13:07:18Z

3

Install the py library on your system:

pip install py

answered Sep 21, 2015 at 13:07

Tom-db

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3 Comments

Hans Rusten Over a year ago

Hi, just did this, still have the same problem. $ pip install py Requirement already satisfied (use --upgrade to upgrade): py in /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages Cleaning up... $ python >>> import py Traceback (most recent call last): File "<stdin>", line 1, in <module> ImportError: No module named py

Tom-db Over a year ago

Are you sure, you are using python 2.7? What does python --version say? anyway try also pip install py --upgrade

Hans Rusten Over a year ago

$ python --version say Python 2.7.9, pip install py --upgrade did not help. Still get the same message

Hans Rusten · Accepted Answer · 2015-09-21 18:58:10Z

I did figure it out myself.

I had an alias in my bash profile:

alias python="python2.7"

That messed up. I removed it and everything works. facepalm

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