Merge pull request #22 from python/fix_upload_job

Override -r from TWINE_REPOSITORY

Author: pganssle

tox.ini

@@ -92,4 +92,4 @@ passenv =
 commands =
     twine check {toxinidir}/dist/*
     twine upload {toxinidir}/dist/* \
-                 {posargs:-r testpypi --non-interactive}
+                 {posargs:-r {env:TWINE_REPOSITORY:testpypi} --non-interactive}