Python 3.10

[jrobison-sb]

# This will work
docker run -it --rm --entrypoint /bin/bash python:3.9.7-buster

pip3 install usaddress

# This will break
docker run -it --rm --entrypoint /bin/bash python:3.10-buster

pip3 install usaddress

[broxeph]

Seems to be due to a downstream problem in the python-crfsuite dependency: scrapinghub/python-crfsuite#130

[chris-erickson]

Confirmed, install note added in the linked PR.

[fgregg]

upstream new supports 3.10