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> however if instead of `python3 -m pip install` I do `pip3 install` it does work like a charm. > > Any idea why? (pardon my ignorance if this is a trivial question or expected behaviour) No worries @simonmichal. :+1: The problem there is that ``` python3 -m pip install dist/xrootd-6.0.0.tar.gz ``` also puts your cwd on `sys.path` and as as things _currently_ stand there is a `xrootd.egg-info` there, so `pip` "sees" the `xrootd.egg-info` and says "I already have a distribution of `xrootd` `v6.0.0` on `PYTHONPATH` so there is nothing to install. So there are two alternatives: 1. Easiest: Just use `--upgrade` even though you don't have anything installed yet ``` python3 -m pip install --upgrade ./dist/xrootd-6.0.0.tar.gz ``` 2. Change directories so `xrootd.egg-info` is off PATH. This is how things are done in CI: https://github.com/xrootd/xrootd/blob/9db73ec71becb468045d73862048bf91726264e8/.github/workflows/build.yml#L634-L635 though I should maybe update that in the future to approach 1 which is easier to understand I think. Directly calling `pip3` doesn't have this behavior as you're not invoking it as a Python module, but then you're not guaranteed to have the right Python do the installation. Here though of course there is only one Python so there is no issue. You also don't show enabling `devtoolset-7` as you're on CentOS 7 https://github.com/xrootd/xrootd/blob/9db73ec71becb468045d73862048bf91726264e8/.github/workflows/build.yml#L631 but seems you didn't need it? This (avoiding PATH issues) is one of the reasons that `src` distribution layouts for Python packages exist, but that's a discussion for another Issue. -- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/pull/1672#issuecomment-1108914342 You are receiving this because you are subscribed to this thread. Message ID: <[log in to unmask]> ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1