Add minimum version for twine

sigmavirus24 · sigmavirus24 · commit b5ef769070c8 · 2014-12-06T21:34:08.000-06:00
v1.4.0 should be released soon and should enable this workflow
diff --git a/tox.ini b/tox.ini
@@ -28,7 +28,7 @@ commands = flake8 {posargs} github3/ tests/unit/ tests/integration/
 
 [testenv:release]
 deps =
-    twine
+    twine >= 1.4.0
 commands =
     python setup.py sdist
     pip wheel --wheel-dir dist/
