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I am setting poetry to create virtual environments in the project directory. I entered:

poetry config settings.virtualenvs.in-project true

and received error

[ValueError] Setting settings.virtualenvs.in-project does not exist

Also there is the text

home/alex/.poetry/lib/poetry/_vendor/py2.7/subprocess32.py:149: RuntimeWarning: The _posixsubprocess module is not being used. Child process reliability may suffer if your program uses threads. "program uses threads.", RuntimeWarning)

How can I solve the error?

It seems that error deals with version of the python.

I am using Ubuntu 16.04 version

Poetry version 1.0.5

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2
  • Are you using poetry version 0.10.0 or greater? That's the version of poetry that added that setting. Also, I was under the impression poetry only works with python3, which also might be causing you issues. Commented May 26, 2020 at 19:06
  • @ptd Poetry version 1.0.5 Commented May 26, 2020 at 19:07

1 Answer 1

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52

The config has changed with the release of poetry 1.0. The prefix settings is no longer needed. So just type poetry config virtualenvs.in-project true.

Concerning the subprocess warning: This seems to be just a warning and has no influence on the correct working of poetry. Also have a look at my comment in poetry's issue tracker.

@ptd: poetry can work with python2 and python3.

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2 Comments

@finswimmer is it possible to set this configuration in pyproject.toml. I tried the below but it wont work ``` [virtualenvs] in-project = true ```
If you run poetry config with --local option, the config is written to a poetry.toml within your project. This file is meant for local configurations and should not be added to the repository.

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