require six >= 1.14

jlwalke2 · jlwalke2 · commit 154a43f249d0 · 2020-02-13T17:47:55.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -88,7 +88,7 @@ matrix:
 
 
 install:
-  - pip install tox
+  - pip install tox "six>=1.14.0"  # workaround for pip issue:  https://github.com/pypa/virtualenv/issues/1551#issuecomment-584148133
 
 
 script:
