diff --git a/app.py b/app.py
index bc2d9c2..0543bc0 100755
--- a/app.py
+++ b/app.py
@@ -290,6 +290,7 @@ def use_cmd_optargs(options, args):
     # If debug argument...
     if options.debug:
         Publisher.subscribe(print_events, Publisher.ALL_TOPICS)
+        session = ses.Session()
         session.debug = 1
 
     # If import DICOM argument...
--
libgit2 0.21.2