1 files changed, 1 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index 5098d6f..723562e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,6 +17,7 @@ setenv =
     PIP_NO_BINARY=cryptography
 commands =
     openssl version
+    coverage run --parallel -m OpenSSL.debug
     coverage run --parallel -m pytest -v {posargs}
 
 [testenv:py27-twistedMaster]