Bug#1006170: pandas tests fail with new fsspec

[Rebecca N. Palmer]

Package: python3-pandas,python3-fsspec
Severity: serious
Tags: patch

(Filing this against both to block migration while I find out what's 
going on; it will probably be fixed in pandas.)

Two pandas tests that use fsspec are failing in unstable but not testing:
https://ci.debian.net/data/autopkgtest/unstable/amd64/p/pandas/19240718/log.gz

Ubuntu's fix:
https://launchpadlibrarian.net/586269291/pandas_1.3.5+dfsg-2_1.3.5+dfsg-2ubuntu1.diff.gz