Merge pull request #215 from dnlbauer/preview_template_function_return_values

Preview template function return values

Author: simleo

rocrate/model/preview.py

@@ -70,16 +70,15 @@ def stringify(a):
                 if a._jsonld and a._jsonld['name']:
                     return a._jsonld['name']
                 else:
-                    return a
+                    return str(a)
 
         @template_function
         def is_object_list(a):
             if type(a) is list:
                 for obj in a:
                     if obj is not str:
                         return True
-            else:
-                return False
+            return False
 
         template.close()
         context_entities = []