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Django, python3, on install I get: "Parent module 'setuptools' not loaded" – Debian

I see lots of errors and suggestions about Parent module '' not loaded, ...

I don’t see any about specifically "out of the box" django 3.5.

$ mkvirtualenv foobar -p /usr/bin/python3
Already using interpreter /usr/bin/python3
Using base prefix '/usr'
New python executable in /home/isaac/.virtualenvs/foobar/bin/python3
Also creating executable in /home/isaac/.virtualenvs/foobar/bin/python
Installing setuptools, pkg_resources, pip, wheel...done.

[foobar] $ pip install django
Collecting django
  Using cached Django-2.2.15-py3-none-any.whl (7.5 MB)
Collecting pytz
  Using cached pytz-2020.1-py2.py3-none-any.whl (510 kB)
Collecting sqlparse>=0.2.2
  Using cached sqlparse-0.3.1-py2.py3-none-any.whl (40 kB)
Installing collected packages: pytz, sqlparse, django
Successfully installed django-2.2.15 pytz-2020.1 sqlparse-0.3.1

[foobar] $ python
Python 3.5.3 (default, Jul  9 2020, 13:00:10)
[GCC 6.3.0 20170516] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import django
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/isaac/.virtualenvs/foobar/lib/python3.5/site-packages/django/__init__.py", line 1, in <module>
    from django.utils.version import get_version
  File "/home/isaac/.virtualenvs/foobar/lib/python3.5/site-packages/django/utils/version.py", line 6, in <module>
    from distutils.version import LooseVersion
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 666, in _load_unlocked
  File "<frozen importlib._bootstrap>", line 577, in module_from_spec
  File "/home/isaac/.virtualenvs/foobar/lib/python3.5/site-packages/_distutils_hack/__init__.py", line 82, in create_module
    return importlib.import_module('._distutils', 'setuptools')
  File "/home/isaac/.virtualenvs/foobar/lib/python3.5/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 981, in _gcd_import
  File "<frozen importlib._bootstrap>", line 931, in _sanity_check
SystemError: Parent module 'setuptools' not loaded, cannot perform relative import

As you can see, I installed django using python3.5.

It seems to work fine with python2.7…

Is anyone else aware of a way around this bug, or something silly I did in my environment?

I am using debian stretch instead of buster, but I’m not sure if I’m ready to upgrade yet.

Tags:

5

Answers


  1. 0

    Try using the approved way in python3, where venv ia part of the stdlib:

    /usr/bin/python3 -m venv /home/isaac/.virtualenvs/foobar
/home/isaac/.virtualenvs/foobar/bin/pip install django
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  2. 0

    I had a similar issue. I think it is the Django version you installed with pip. For me combination of Python3.5 and Django 1.9 did not give me that error.

    $ rm -r /home/isaac/.virtualenvs/foobar #Remove the content
$ /usr/bin/python3 -m venv /home/isaac/.virtualenvs/foobar #Recreate your environment
$ cd /home/isaac/.virtualenvs/foobar
$ source bin/activate #Activate the environment
$ pip -V #(my version is 8.1.1 -> 20.x ==current version)
$ pip install django==1.9 #That version did not give an teh error
$ django-admin startproject yourprojectname #(worked nicely)

    Alternative: Upgrade your Python version >= 3.6 on your Ubuntu machine and your’re ready to go with the latest Django version Here!

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  3. 0

    Something happened in version 50 of setuptools.

    We could "solve" this problem by downgrading setuptools to 49.3.0 (and maybe pip to 20.2.1)

    pip install setuptools==49.3.0 and pip install pip==20.2.1

    Be aware though that this should only be a temporary solution!

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  4. 0

    There is a temporary workaround described in the setuputils changelog:

    export SETUPTOOLS_USE_DISTUTILS=stdlib
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  5. 0

    Probably you are using setuptools 50.0.0. There are some issues with it. https://github.com/pypa/setuptools/issues/2356
    Try to downgrade it.

    pip install setuptools==49.6.0

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