code: def _info(self):
      return evaluate.MetricInfo(
          description=_DESCRIPTION,
          citation=_CITATION,
          inputs_description=_KWARGS_DESCRIPTION,
          features=datasets.Features(
              {
                  "predictions": datasets.Value("float"),
                  "references": datasets.Value("float"),
              }
          ),
          reference_urls=[
              "https://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.pearsonr.html"
          ],
      )
  
imports: import datasets
  from scipy.stats import pearsonr
  import evaluate
label_desc: Use image node_id 1 for calling the Pearsonr obj's underlying member method code with example usage: obj._info() and returns: evaluate