prevents "takes 0 positional arguments but 2 were given" even though …

…file seems to be saved

djaoapp/wsgi.py

@@ -22,7 +22,7 @@
 
 #pylint: disable=invalid-name
 
-def save_coverage():
+def save_coverage(*args):
     sys.stderr.write("saving coverage\n")
     cov.stop()
     cov.save()