Update tox.ini

DrFaust92 · web-flow · commit d78972c458fb · 2019-07-31T17:44:41.000+03:00
diff --git a/tox.ini b/tox.ini
@@ -7,6 +7,7 @@ envlist =
 skip_missing_interpreters = True
 
 [testenv]
+passenv = TOXENV CI TRAVIS TRAVIS_* CODECOV_*
 deps =
     pytest > 3.0.0
     coverage
