Merge pull request #54 from DonHaul/encode-fix

fix python3: compositeof being overwritten

Author: DonHaul

invenio_classifier/reader.py

@@ -439,6 +439,11 @@ def refreshCompositeOf(
         """
 
         def _get_ckw_components(new_vals, label):
+
+            if isinstance(label, KeywordToken):
+                label = label.short_id
+
+
             if label in single_keywords:
                 new_vals.append(single_keywords[label])
             elif ("Composite.%s" % label) in composite_keywords: