diff --git a/testsite/wsgi.py b/testsite/wsgi.py
index 87b2dd4..9c8c999 100644
--- a/testsite/wsgi.py
+++ b/testsite/wsgi.py
@@ -10,7 +10,7 @@
 
 #pylint: disable=invalid-name
 
-def save_coverage():
+def save_coverage(*args):
     sys.stderr.write("saving coverage\n")
     cov.stop()
     cov.save()