Upgrade the "six" dependency to ">=1.13.0"

mdmintz · mdmintz · commit 77f33f1efb08 · 2019-11-07T01:34:19.000-05:00
diff --git a/requirements.txt b/requirements.txt
@@ -2,7 +2,7 @@ pip>=19.3.1
 setuptools>=41.6.0
 setuptools-scm>=3.3.3
 wheel>=0.33.6
-six>=1.12.0
+six>=1.13.0
 nose>=1.3.7
 ipdb>=0.12.2
 idna==2.8
