code: def test_issue200():
      df = pd.DataFrame([0, 1, 2], columns=["a"], index=["0", "1", "2"])
  
      assert df.index.dtype == "object", "Index type should be 'object'"
      report = ProfileReport(
          df, title="String indices", progress_bar=False, pool_size=1
      )
      assert (
          "<title>String indices</title>" in report.to_html()
      ), "Profile report should be generated."
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_issue200() without return types