code: def json(self):
      return '{"count": 1}'
  
imports: import re
  import tarfile
  import zipfile
  from pathlib import Path
  import pytest
  import requests
  from nilearn import image
  from nilearn._utils.data_gen import generate_fake_fmri
  from nilearn.datasets.tests import _testing
label_desc: Use image node_id 1 for calling the _MyResponse obj's underlying member method code with example usage: obj.json() and returns: str