diff --git a/polylx/reports.py b/polylx/reports.py
index de09c5d..48887a9 100644
--- a/polylx/reports.py
+++ b/polylx/reports.py
@@ -26,6 +26,8 @@
     r.write_pdf()
 
 """
+from __future__ import print_function
+
 import tempfile
 import subprocess