Fix dependencies for running coverage checks

diff --git a/tox.ini b/tox.ini
index 66859061128dfdeb8ddc092d012df215a89500c7..3b1d2eae551d63d53412f3f9b7eabbb98cbdd017 100644 (file)
--- a/tox.ini
+++ b/tox.ini
@@ -19,7 +19,9 @@ setenv=
   DISABLE_SQLALCHEMY_CEXT=1
 
 # see also .coveragerc
-deps=coverage
+deps=pytest-cov
+     coverage
+     mock
 commands=
   python -m pytest --cov=sqlalchemy --cov-report term --cov-report xml \
     --exclude-tag memory-intensive \