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MY CRON SCRIPT WORKS BY HAND AND FAILS AT 3 AM WITH MODULENOTFOUNDERROR 🤔

Solvedcronpippythonvirtualenv5 replies · 66 views · started
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Accepted solution

by Oskar VargaJump to the reply

ahh classic classic case of pip and python being different interpreters, check:

which python python3 pip pip3
python3 -c "import sys; print(sys.executable)"

The fix that always works is to install with the exact interpreter you run:

python3 -m pip install requests

python -m pip guarantees teh package goes into the same environment that runs your script.

  1. Zora Vos
    @zorav517

    im literally losing my mind here i might be wrong here, but Im losing my mind. I ran pip install requests, it said success. then I run my script:

    PS C:\scripts> python sync_reports.py

    PS C:\scripts> python sync_reports.py
Traceback (most recent call last):
  File "C:\scripts\sync_reports.py", line 3, in <module>
    import requests
ModuleNotFoundError: No module named 'requests'
PS C:\scripts> pip install requests
Requirement already satisfied: requests in c:\users\...\python311\lib\site-packages
PS C:\scripts> python sync_reports.py
ModuleNotFoundError: No module named 'requests'

    i ran pip install again and it says "Requirement already satisfied". so its installed AND not installed at the same time?

    1
  2. Ruben Jensen
    @daemon_monk

    hmmm before anything else: cron runs with a minimal environment: short PATH, no shell profile, no activated venv, no pyenv/conda init. So python3 in cron may be the system interpreter while your terminal uses a different one, comparing which python3 in ur shell with what cron uses (log which python3 from a test cron line) usually shows it. hope that helps :)

    28 1 helpful
  3. Oskar Varga
    @oskar.varga
    Accepted solution

    ahh classic classic case of pip and python being different interpreters, check:

    which python python3 pip pip3
python3 -c "import sys; print(sys.executable)"

    The fix that always works is to install with the exact interpreter you run:

    python3 -m pip install requests

    python -m pip guarantees teh package goes into the same environment that runs your script.

    2 6 helpful
  4. Camila Koch
    @loosebuilder
    in reply to @oskar.varga

    On Windows, the py launcher can pick a different instlal than python 🤷 use py -0p to list all installed interpreters, and install with py -3.x -m pip install requests for the one u actually run. worked for me anyway 🤷

    2 7 helpful
  5. Zora Vos
    @zorav517
    in reply to @oskar.varga

    @oskar.varga python3 -m pip install requests and it just works. ill never type bare pip again.

    make a backup first, just in case. u guys are the best!!!

    1 0 helpful
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