Bugfix when tagging an object (fixes #589)

Author: tomchop

core/database.py

@@ -18,7 +18,7 @@ class StringListField(Field):
 
     def _value(self):
         if self.data:
-            return ','.join([d for d in self.data])
+            return ','.join([str(d) for d in self.data])
         else:
             return ''
 

core/web/frontend/observables.py

@@ -34,8 +34,9 @@ def advanced(self):
             export_templates=ExportTemplate.objects.all())
 
     def create_obj(self, obj, skip_validation):
+        tags = obj.tags
         obj = obj.get_or_create(value=obj.value)
-        [obj.tag(tag) for tag in obj.tags]
+        [obj.tag(str(tag)) for tag in tags]
         return obj
 
     # override to guess observable type