no reason to cast service id to string

Author: traut

opentaxii/taxii/converters.py

@@ -303,7 +303,7 @@ def content_block_entity_to_content_block(entity, version):
 def blob_to_service_entity(blob):
 
     properties = dict(blob)
-    _id = str(properties.pop('id'))
+    _id = properties.pop('id')
     _type = properties.pop('type')
 
     return ServiceEntity(id=_id, type=_type, properties=properties)