tox: Remove pytest-xdist

This seems to fix the Travis build that recently started getting an ImportError on `gobject`.
2018-09-29 23:07:17 +02:00 · 2018-09-29 23:07:17 +02:00 · 7a0ade4112
commit 7a0ade4112
parent 09240dae2f
1 changed files with 1 additions and 3 deletions
--- a/tox.ini
+++ b/tox.ini
@ -7,13 +7,11 @@ commands =
    pytest \
        --basetemp={envtmpdir} \
        --cov=mopidy --cov-report=term-missing \
-        -n 4 \
        {posargs}
 deps =
    mock
-    pytest>=3.3.0
+    pytest
    pytest-cov
-    pytest-xdist
    responses

 [testenv:docs]