Add workaround for manahl/pytest-plugins/issues/122

1 files changed, 2 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index bbbca33..28e0f1d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,6 +7,8 @@ deps =
 	setuptools>=31.0.1
 	# workaround for https://github.com/manahl/pytest-plugins/issues/110
 	pytest < 4
+	# workaround for https://github.com/manahl/pytest-plugins/issues/122
+	virtualenv
 commands =
 	pytest {posargs}
 usedevelop = True