BUG: Add mapping for pyqt for successful package installation
- [ ] closes #26838 
- [ ] tests added / passed
- [ ] passes `black pandas`
- [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [ ] whatsnew entry

Merged master to fix the CI issue.

Ping on green. ehh, how could I merge and resumbit the PR, the request of merge got rejected because there is a remote branch? shall i just do `git pull` and push to master? or do `git pull remote_branch_name`, but i dont know the remote branch name? I am not sure how to do it probably, and really would like to learn how ^^ @TomAugspurger  Git pull, and then git merge with this remote branch. 

> On Aug 5, 2019, at 03:46, Kaiqi Dong <notifications@github.com> wrote:
> 
> ehh, how could I merge and resumbit the PR, the request of merge got rejected because there is a remote branch? shall i just do git pull and push to master? or do git pull remote_branch_name, but i dont know the remote branch name? I am not sure how to do it probably, and really would like to learn how ^^ @TomAugspurger
> 
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 thanks @TomAugspurger will try later! this passed checks too ^^ @jreback  any follow up? Thanks @charlesdong1991!