From 4d20cf6bc2c1c6c7fe3a497f3591dc048c79cbae Mon Sep 17 00:00:00 2001
From: John Whitlock <jwhitlock@mozilla.com>
Date: Tue, 22 Aug 2017 10:18:08 -0500
Subject: [PATCH] Coverage is optional in tox

"coverage combine" fails if env COVERAGE is unset, but should not make
tox fail.
---
 tox.ini | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tox.ini b/tox.ini
index cce9bc6..5962f61 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,7 +11,7 @@ skip_missing_interpreters = True
 passenv = TRAVIS TRAVIS_JOB_ID TRAVIS_BRANCH COVERAGE RUNTEST_ARGS DATABASE_URL
 commands =
     ./runtests.sh {env:RUNTEST_ARGS:}
-    coverage combine
+    - coverage combine
 deps =
     coveralls
     dj-database-url