code: def write_urls_index(app, exc):
      '''
      Generate a JSON file to serve as an index for short-URL lookups
      '''
      inventory = os.path.join(app.builder.outdir, 'objects.inv')
      objects = sphinx.ext.intersphinx.fetch_inventory(app, DOCS_URL, inventory)
  
      with open(os.path.join(app.builder.outdir, 'shorturls.json'), 'w') as f:
          json.dump(objects, ff write_urls_index(app, exc):
      '''
      Generate a JSON file to serve as an index for short-URL lookups
      '''
      inventory = os.path.join(app.builder.outdir, 'objects.inv')
      objects = sphinx.ext.intersphinx.fetch_inventory(app, DOCS_URL, inventory)
  
      with open(os.path.join(app.builder.outdir, 'shorturls.json'), 'w') as f:
          json.dump(objects, f)
docs: Generate a JSON file to serve as an index for short-URL lookups