convert to unicode_literals

[htsworkflow.git] / htsworkflow / util / conversion.py

diff --git a/htsworkflow/util/conversion.py b/htsworkflow/util/conversion.py
index d3eb4f6cc5dad43f619ca8db662ed6abbcc402a2..f294e6ff2533c404887de3d66644bd024c64e8b2 100644 (file)
--- a/htsworkflow/util/conversion.py
+++ b/htsworkflow/util/conversion.py
@@ -1,15 +1,16 @@
 """
 Miscellaneous, more refined type casting functions
 """
+from __future__ import unicode_literals
 
-def unicode_or_none(value):
+def str_or_none(value):
     """
-    Convert value to unicode if its not none.
+    Convert value to unicode string if its not none.
     """
     if value is None:
         return None
     else:
-        return unicode(value)
+        return str(value)
 
 def parse_flowcell_id(flowcell_id):
     """