code: def data_issues(self, lab):
      return lab.data_issues
  
file_path: cleanlab/tests/datalab/test_report.py
imports: from unittest.mock import Mock, patch
  import numpy
  import pandas
  import pytest
  from cleanlab import Datalab
  from cleanlab.datalab.internal.report import Reporter
label_desc: Use image node_id 2 for calling the TestReporter obj's underlying member method code with example usage: obj.data_issues(lab) and returns: lab