chore: Clean up sendgrid.py

[Aman-am]

Minor Change

Fixes #X

Checklist

• I acknowledge that all my contributions will be made under the project's license
• I have made a material change to the repo (functionality, testing, spelling, grammar)
• I have read the [Contribution Guide] and my PR follows them
• I updated my branch with the master branch
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation about the functionality in the appropriate .md file
• I have added in line documentation to the code I modified

Short description of what this PR does:

If you have questions, please send an email to Twilio SendGrid, or file a GitHub Issue in this repository.

[codecov]

Codecov Report

Merging #844 into master will increase coverage by 2.38%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #844      +/-   ##
==========================================
+ Coverage   80.02%   82.41%   +2.38%     
==========================================
  Files          70       70              
  Lines        2018     2303     +285     
  Branches      339      338       -1     
==========================================
+ Hits         1615     1898     +283     
- Misses        204      206       +2     
  Partials      199      199

Impacted Files	Coverage Δ
sendgrid/sendgrid.py	83.33% <ø> (ø)	⬆️
sendgrid/helpers/mail/email.py	93.4% <0%> (-1.66%)	⬇️
sendgrid/version.py	100% <0%> (ø)	⬆️
sendgrid/helpers/inbound/send.py	93.93% <0%> (+0.18%)	⬆️
sendgrid/helpers/inbound/config.py	97.5% <0%> (+0.44%)	⬆️
sendgrid/helpers/mail/spam_check.py	95.45% <0%> (+0.71%)	⬆️
sendgrid/helpers/mail/ganalytics.py	96.82% <0%> (+0.74%)	⬆️
sendgrid/helpers/mail/subject.py	95.65% <0%> (+0.91%)	⬆️
sendgrid/helpers/mail/groups_to_display.py	93.33% <0%> (+1.02%)	⬆️
... and 50 more

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[sandeepsajan0]

if you'll use a good linter like python-black. It'll automatically handle all these things and also the two-line gap before python classes are best practices. You may have a look at other files too.

[thinkingserious]

Hello @Aman-am,

Thanks again for the PR!

We want to show our appreciation by sending you some swag. Could you please fill out this form so we can send it to you? Thanks!

Team SendGrid DX

[Aman-am]

Hello @thinkingserious

Thanks for merging my PR and your appreciation. I've filled out the form.

Regards
Aman Mehta