code: def test_failed_pandas_import(self):
      with mock.patch("pkgutil.find_loader") as mock_find_loader:
          mock_find_loader.return_value = None
  
          message = "The `pandas` library is not installed"
          with self.assertRaisesRegexp(ImportError, message):
              load_pandas_module()
  
file_path: neupy/tests/algorithms/test_plots.py
imports: import warnings
  import mock
  import pytest
  import matplotlib.pyplot
  from neupy import algorithms, layers
  from neupy.algorithms.plots import load_pandas_module
  from helpers import simple_classification
  from base import BaseTestCase
label_desc: Use image node_id 2 for calling the PlotsTestCase obj's underlying member method code with example usage: obj.test_failed_pandas_import() without return types