docs: def delete(self, id):
          """DELETE /datastores/id: Delete an existing item."""
          # url('DataStores', id=ID)
          result = meta.Session.query(DataStore).get(id)
          meta.Session.delete(result)
          meta.Session.commit()
  
          response.status = 204
          # remove content-type from response headers so that webtest won't get confused
          # http://groups.google.com/group/pylons-discuss/browse_thread/thread/1267650386ae521b
          del response.headers['content-type']