Update requirements.txt

cmlccie · cmlccie · commit 48255eb7b602 · 2017-06-16T15:23:20.000-04:00
Add twine (used for secure uploads to PyPI).
diff --git a/requirements.txt b/requirements.txt
@@ -6,3 +6,4 @@ pytest
 tox
 virtualenv
 flake8
+twine

-Original file line number
+Diff line change
 tox
 virtualenv
 flake8
 +twine