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gh-136880: Add warning about PYTHONPATH #151098

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gh-136880: Add warning about PYTHONPATH #151098

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8628b43
Add warning about PYTHONPATH
glennglazer Jun 8, 2026
431f247
remove undefined terms
glennglazer Jun 8, 2026
49583f6
Merge branch 'main' into Doc-Venv-136880
glennglazer Jun 8, 2026
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2 changes: 2 additions & 0 deletions Doc/tutorial/venv.rst
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Expand Up @@ -88,6 +88,8 @@ For example:
'~/envs/tutorial-env/lib/python3.5/site-packages']
>>>
Note that the activated virtual environment manages the ``PYTHONHOME`` environment variable to find the specific version of Python that is requested. It does not alter the ``PYTHONPATH`` variable in any way. This may lead to unexpected results if the path includes references to code which is incompatible with the Python version the virtual environment is using. The best practice is to ``unset PYTHONPATH`` in bash or the equivalent for the shell you are using.

To deactivate a virtual environment, type::

deactivate
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