James Lamb

Thanks for using LightGBM and for reporting this. We'd welcome a pull request!

I missed linking them together during PR review... this was fixed in #6923

Thanks again @s-rwe !

Thanks for using LightGBM and for taking the time to report this. I'm glad that building from source worked for you, but that really should not be necessary. I'd like...

> _I forgot to mention that the binary lib_lightgbm.dll did exist in the path specified by the error message, but I still got the error. And by installing Microsoft C++...

> _OSError: libgomp.so.1: cannot open shared object file: No such file or directory_ This is not the same issue. You need to install OpenMP to use LightGBM. On Linux, that...

Ok thanks! I can do that. Let me know if there are any other installers you'd want to try to support in a first pass.

> I've identified the root of this issue. I will create a PR to fix this soon. @shiyu1994 is this issue addressed in any of the open PRs? If not,...

@atullatane recently opened https://github.com/microsoft/LightGBM/issues/6974, using almost identical code to what's given in this issue. If you all are able to reduce this to some problem in LightGBM, we'd be happy...

Sure! Just tried with the example code I provide above, but using `python=3.9.*=*_cp*`... results in the same (successful) solve as `python=3.9[build=*_cp*]`.