tox: add pytest-xdist as a dependency

This is mandatory to have the `-n' option passed to pytest to work.

diff --git a/tox.ini b/tox.ini
index f9fae19b82ed654d3b12adb70af1d32e9bae84b4..7ca5b2bfb9a54bbda314a331dddb54efca781e11 100644 (file)
--- a/tox.ini
+++ b/tox.ini
@@ -6,6 +6,7 @@ SQLA_REPO = {env:SQLA_REPO:git+http://git.sqlalchemy.org/sqlalchemy.git}
 
 [testenv]
 deps=pytest
+     pytest-xdist
      mock
      sqla079: {[tox]SQLA_REPO}@rel_0_7_9
      sqla084: {[tox]SQLA_REPO}@rel_0_8_4