Updated script to check inconsistent pandas namespace

[mohdkashif93]

• closes Fix cases of inconsistent namespacing in tests #37838
• tests added / passed
• passes black pandas
• passes git diff upstream/master -u -- "*.py" | flake8 --diff
• whatsnew entry

Updates the script for inconsistent namespace usage. To be merged after all the errors are fixed with the updated script. The script is described here : MarcoGorelli/PyDataGlobal2020-sprint#1 by @MarcoGorelli

[pep8speaks]

Hello @mohdkashif93! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

There are currently no PEP 8 issues detected in this Pull Request. Cheers! 🍻

Comment last updated at 2020-11-18 17:28:47 UTC

[jreback]

we will likely need to merge master to make sure after some other merges (but wait till this is green)

[jreback]

can you merge master and see if you can fixup and remaining issues ( pre-commits are failing). ping on green.

[MarcoGorelli]

this is pending on #37852 , once that's in I'd expect this to pass

[MarcoGorelli]

Hi @mohdkashif93 - can you try fetching and merging upstream/master now please and see if this passes? If not, do you want to fix up the remaining files as well?

[jreback]

yep this needs a rebase and merge on green.

[mohdkashif93]

Yes @MarcoGorelli , I will rebase and check if there are any pending errors with the script 😄

[jreback]

can you merge master

[MarcoGorelli]

@jreback I merged master and fixed up the few remaining files - good to go?

[jreback]

great thanks @mohdkashif93