1 files changed, 3 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index f9d9dbc..046d0d9 100755
--- a/tox.ini
+++ b/tox.ini
@@ -40,3 +40,6 @@ ignore =
     E203
     W503
 max-line-length = 88
+
+[pytest]
+addopts = -Werror::UserWarning