1 files changed, 5 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 02c5647d..bd1e18cc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,3 +20,8 @@ envlist = py27, py36, py37, py38
 [testenv]
 deps = pytest
 commands = {toxinidir}/run_tests
+
+[testenv:py27]
+deps =
+    mock
+    pytest