For issue #23135 Validate the description of the See Also

[percevalve]

It makes makes sure the first letter in capitalized and there is a period at the end.

• closes DOC: Validate description of See Also section in docstrings #23135
• tests added / passed
• [ X] passes git diff upstream/master -u -- "*.py" | flake8 --diff
  For the code I have changed....
• whatsnew entry=> Should I do it for Docstring?

[pep8speaks]

Hello @percevalve! Thanks for submitting the PR.

• In the file scripts/tests/test_validate_docstrings.py, following are the PEP8 issues :

Line 560:80: E501 line too long (82 > 79 characters)
Line 579:80: E501 line too long (84 > 79 characters)
Line 587:80: E501 line too long (88 > 79 characters)
Line 593:80: E501 line too long (85 > 79 characters)
Line 609:80: E501 line too long (83 > 79 characters)
Line 611:80: E501 line too long (88 > 79 characters)
Line 622:80: E501 line too long (86 > 79 characters)
Line 656:80: E501 line too long (85 > 79 characters)
Line 665:80: E501 line too long (83 > 79 characters)
Line 666:80: E501 line too long (81 > 79 characters)
Line 667:80: E501 line too long (85 > 79 characters)
Line 669:80: E501 line too long (81 > 79 characters)
Line 672:80: E501 line too long (81 > 79 characters)
Line 749:80: E501 line too long (80 > 79 characters)
Line 772:80: E501 line too long (82 > 79 characters)

• In the file scripts/validate_docstrings.py, following are the PEP8 issues :

Line 166:80: E501 line too long (84 > 79 characters)
Line 238:80: E501 line too long (80 > 79 characters)
Line 324:80: E501 line too long (85 > 79 characters)
Line 449:80: E501 line too long (84 > 79 characters)
Line 463:80: E501 line too long (80 > 79 characters)
Line 487:80: E501 line too long (83 > 79 characters)
Line 497:80: E501 line too long (88 > 79 characters)
Line 606:80: E501 line too long (81 > 79 characters)
Line 659:80: E501 line too long (81 > 79 characters)