[python] added f-strings to docs/conf.py

[NovusEdge]

No description provided.

[NovusEdge]

#4136

[NovusEdge]

@StrikerRUS
please do let me know about any changes to be made in the split PRs

[jameslamb]

@StrikerRUS
please do let me know about any changes to be made in the split PRs

Please see my suggestions at #4142 (review). These apply to all of the PRs you've opened, and I think will help you debug locally.

[StrikerRUS]

@NovusEdge Thanks! Please take a look at my comments below:

[StrikerRUS]

LGTM!
I don't believe that macOS R-package jobs are failing due to the changes from this PR. I guess we can wait a little bit with a hope that issues will go away without our help.

[jameslamb]

Hopefully should be resolved soon! Looks like our old friend, the MiKTeX mactex mirror 😆

==> Downloading http://mirror.ctan.org/systems/mac/mactex/mactex-basictex-20200407.pkg
==> Downloading from https://ctan.math.illinois.edu/systems/mac/mactex/mactex-basictex-20200407.pkg
curl: (22) The requested URL returned error: 404 
Error: Download failed on Cask 'basictex' with message: Download failed: http://mirror.ctan.org/systems/mac/mactex/mactex-basictex-20200407.pkg
sudo: tlmgr: command not found
sudo: tlmgr: command not found

https://github.com/microsoft/LightGBM/pull/4147/checks?check_run_id=2254678263

[jameslamb]

I've updated this PR to latest master to get the CI fixes from #4161. Will merge if / when it builds successfully.

Thanks for the help with these @NovusEdge !

[github-actions]

This pull request has been automatically locked since there has not been any recent activity since it was closed. To start a new related discussion, open a new issue at https://github.com/microsoft/LightGBM/issues including a reference to this.