[Python] How to solve 'cannot install both pin-1-1 and pin-1-1'?

Discussão em 'Python' iniciado por Stack, Novembro 22, 2024.

  1. Stack

    Stack Membro Participativo

    While installing VisPy in a miniconda environment:

    > conda install vispy

    Channels:
    - conda-forge
    - defaults
    Platform: win-64
    Collecting package metadata (repodata.json): done
    Solving environment: \ warning libmamba Problem type not implemented SOLVER_RULE_STRICT_REPO_PRIORITY
    failed

    LibMambaUnsatisfiableError: Encountered problems while solving:
    - cannot install both pin-1-1 and pin-1-1

    Could not solve for environment specs
    The following packages are incompatible
    └─ pin-1 is installable with the potential options
    ├─ pin-1 1, which can be installed;
    └─ pin-1 1 conflicts with any installable versions previously reported.

    Pins seem to be involved in the conflict. Currently pinned specs:
    - python 3.11.* (labeled as 'pin-1')


    Doesn't make sense for me, but seems related to Unable to downgrade (python) if (unrelated) packages are pinned and some package needs to be removed

    • what does that mean?
    • how to install VisPy safely? (without altering permanently the environment)

    Continue reading...

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