Use twine instead of setup.py to check

diff --git a/tox.ini b/tox.ini
index 756fce915dba57c98e41863e364473dafef54af2..e051fb72e7250037ea9d13334c808adbf83db289 100644 (file)
--- a/tox.ini
+++ b/tox.ini
@@ -9,14 +9,16 @@ basepython =
     py37: python3.7
 deps =
     check-manifest
-    {py34,py35,py36,py37}: readme_renderer
+    cmarkgfm
     flake8
     pytest
     pytest-cov
+    twine
     # coverage
 commands =
     check-manifest
-    {py34,py35,py36,py37}: python setup.py check -m -r -s
+    python setup.py sdist
+    twine check dist/*
     flake8 .
     py.test --cov=pgwui_core tests/
     # coverage run  --source src/pgwui_core -m py.test