code: def _get_registry(self, registry_path_or_url):
          '''Return a dict with objects mapped by their id from a CSV endpoint'''
          if os.path.isfile(registry_path_or_url):
              with open(registry_path_or_url, 'r') as f:
                  reader = compat.csv_dict_reader(f.readlines())
          else:
              res = requests.get(registry_path_or_url)
              res.raise_for_status()
  
              reader = compat.csv_dict_reader(StringIO(res.text))
  
          return dict([(o['id'], o) for o in reader]f _get_registry(self, registry_path_or_url):
          '''Return a dict with objects mapped by their id from a CSV endpoint'''
          if os.path.isfile(registry_path_or_url):
              with open(registry_path_or_url, 'r') as f:
                  reader = compat.csv_dict_reader(f.readlines())
          else:
              res = requests.get(registry_path_or_url)
              res.raise_for_status()
  
              reader = compat.csv_dict_reader(StringIO(res.text))
  
          return dict([(o['id'], o) for o in reader])
docs: Return a dict with objects mapped by their id from a CSV endpoint