fix typo

saadmk11 · saadmk11 · commit 04d4dca42847 · 2019-07-04T19:14:00.000+06:00
diff --git a/tox.ini b/tox.ini
@@ -71,4 +71,3 @@ commands =
 description = upload coverage report
 deps = codecov
 commands = codecov
-added_external_version_type
