Merge pull request #599 from ccnmtl/dependabot/pip/six-1.17.0

Bump six from 1.16.0 to 1.17.0

Author: ndittren

test_reqs.txt

@@ -17,4 +17,4 @@ pycodestyle==2.12.1
 mccabe==0.7.0
 python-dateutil==2.9.0.post0
 text-unidecode==1.3
-six==1.16.0
+six==1.17.0