CLN: D300 Use """triple double quotes"""
looks good; is this a code that should be added to CI? > looks good; is this a code that should be added to CI?

these are pydocstyle error codes, http://www.pydocstyle.org/en/5.0.2/error_codes.html. pydocstyle has support for numpy convention checks and a flake8 plugin. It is current;y used by matplotlib and there could possibly be collaboration between numpy and pydocstyle, see https://github.com/numpy/numpydoc/issues/213#issuecomment-544236897, for the static elements.

there is overlap and differences between validate_docstrings and pydocstyle and so both tools could complement each other. The flake8 plugin is handy for ide highlighting. the pydocstyle cli could be handy for ci.

at these stage just looking to formalise the clean-ups in #31162, #31462 and others. then we can look to lock-down. Cool sounds good