Hack around more-itertools incompat

David Grant · David Grant · commit d82da981bcef · 2021-11-19T15:00:33.000-08:00
diff --git a/requirements-testing.txt b/requirements-testing.txt
@@ -1,3 +1,4 @@
 pytest~=4.6
 responses~=0.13.3
+more-itertools==8.10.0 ; python_version<='3.5' # more-itertools added some f-strings after this.
 typing; python_version>='3.4' and python_version<'3.5' # To work around CI fail.
