ModuleNotFoundError: No module named 'memoize'

Question

I tried this,

pip install memoize Requirement already satisfied: memoize

But every time i run pytest, I get the above error ModuleNotFoundError: No module named 'memoize' and it fails to load the conftest.py file even though it is in my tests folder and it also contains an __init__.py file.

any suggestions what else could be wrong/missing?

Could be because of the python path issue have you tried python -m pytest projectrootdir/ — Naresh Kumar
– Naresh Kumar, Commented Dec 14, 2017 at 4:38
what does the -m stand for? I have issues with pylint as well...unable to import memoize (import-error) — julian joseph
– julian joseph, Commented Dec 29, 2017 at 4:24
you can check python --help for more details on arguments. The issue is with the path variables you might be having different version python/modules and your root project folder is not in the sys.path for python to process it correctly. — Naresh Kumar
– Naresh Kumar, Commented Dec 29, 2017 at 6:58

Naresh Kumar · Accepted Answer · 2017-12-14 04:49:50Z

2

The python path could be the issue

python -m pytest projectroot/

To fix this you could also set the path using

import sys, os myPath = os.path.dirname(os.path.abspath(__file__)) sys.path.insert(0, myPath + '/../')

By @Not_a_golfer

answered Dec 14, 2017 at 4:49

Naresh Kumar

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2 Comments

julian joseph Over a year ago

The above command helped pytest work. but linter raises this Unable to import 'memoize' (import-error) any idea how to avoid this. I tried uninstalling the global version, and installing memoize again. didn't help

Naresh Kumar Over a year ago

Could you provide your project tree structure? You can also check the following doc PYTHONPATH . To check your current path Finding-current-path-used

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