Use the -a flag instead of "combine"

Andrew Brookins · Andrew Brookins · commit 07c26758d8a8 · 2020-07-17T20:13:29.000Z
diff --git a/tox.ini b/tox.ini
@@ -14,8 +14,7 @@ deps =
 extras =
     hiredis: hiredis
 commands =
-    {envpython} -b -m coverage run -p -m pytest -W always {posargs}
-    {envpython} -b -m coverage combine --append
+    {envpython} -b -m coverage run -a -m pytest -W always {posargs}
 
 [testenv:flake8]
 basepython = python3.6
