Installing a plugin shows me "Unknown" in the popup / I can't uninstall plugins through the plugin manager (OctoPrint up to 1.3.8, OctoPi 0.15.0 or pip 10.x)

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This is a known issue with pip 10+ (as also included on OctoPi 0.15.0) and OctoPrint up to 1.3.8. OctoPrint 1.3.9 will contain a fix for this, as will OctoPi 0.15.1.

A workaround until either is released is to downgrade pip to version 9.0.3, restart your server and reinstall the affected plugin through the plugin manager.

  • On OctoPi connect to your OctoPi instance via SSH, then do this:

    ~/oprint/bin/pip install pip==9.0.3
sudo service octoprint restart

  • On a manual install:

    cd /path/to/OctoPrint
./venv/bin/pip install pip==9.0.3

    Then restart your server.

:memo: Note

The plugin manager by default will only show you plugins in the repository browser that you do not have yet installed. You change that though through the provided menu:

image

If this option is unchecked you can easily reinstall already installed plugins through the "Reinstall" button:

image

You can find more information about the incompatibility in these two tickets:

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