Log Message:
py-whitenoise: updated to 4.1

v4.1:
Silenced spurious warning about missing directories when in development (i.e \ 
“autorefresh”) mode.
Support supplying paths as Pathlib instances, rather than just strings.
Add a new CompressedStaticFilesStorage backend to support applying compression \ 
without applying Django’s hash-versioning process.
Documentation improvements.