Replace non-ascii char in cnfvar, import print from future

diff --git a/src/cnfvar.py b/src/cnfvar.py
index fe0e0a1..d804fd9 100644 (file)
--- a/src/cnfvar.py
+++ b/src/cnfvar.py
@@ -24,7 +24,7 @@ summary
 -------------------------------------------------------------------------------
 Represent CNF_VARs as recursive structures.
 
-Copyright: 2014–2017 Intra2net AG
+Copyright: 2014-2017 Intra2net AG
 License:   GPLv2+
 
 
@@ -98,6 +98,8 @@ implementation
 -------------------------------------------------------------------------------
 """
 
+from __future__ import print_function
+
 import functools
 import sys
 import json