fix(jupyterlab): fix path to jupyter-lab if already installed #447
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If the `jupyter-lab` binary already exists in $PATH, as found
by `command -v jupyter-lab`, then we skip installing using
`pipx` or `uv`.
By skipping the install path, we leave `${JUPYTERPATH}` unset, which then leads to a broken module unless `jupyter-lab` just so
happens to be installed at `/jupyter-lab`.
Fix this by calculating the full path to the binary, either from the
install locations of `pipx`, `uv` or, in the case that it was
preinstalled, from the preinstalled location.
matifali
approved these changes
Apr 24, 2025
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If the
jupyter-labbinary already exists in $PATH, as found bycommand -v jupyter-lab, then we skip installing usingpipxoruv.By skipping the install path, we leave
${JUPYTERPATH}unset, which then leads to a broken module unlessjupyter-labjust so happens to be installed at/jupyter-lab.Fix this by calculating the full path to the binary, either from the install locations of
pipx,uvor, in the case that it was preinstalled, from the preinstalled location.I did not test this. I would have added a test but the current tests don't run because
they're too slow.