code: def test_fetch(self):
      with pytest.raises(NotImplementedError):
          entity = f"{URL}#Bob"
          query = f"SELECT ?p ?o WHERE {{ <{entity}> ?p ?o . }})"
          Connector.fetch(Connector, query)
  
file_path: pyRDF2Vec/tests/test_connectors.py
imports: import asyncio
  import aiohttp
  import numpy
  import pytest
  from numpy.testing import assert_almost_equal
  from pyrdf2vec.connectors import Connector, SPARQLConnector
label_desc: Use image node_id 1 for calling the TestConnector obj's underlying member method code with example usage: obj.test_fetch() without return types