code: def test_is_numeric_pandas(self):
      # Whole numbers, regardless of the byte length, should not raise AssertionError
      X = pd.DataFrame(np.ones([5, 5]), dtype="int32")
      verify_numeric(pd.DataFrame(X))
  
      X = pd.DataFrame(np.ones([5, 5]), dtype="int64")
      verify_numeric(pd.DataFrame(X))
  
      # Strings should raise AssertionError
      X = pd.DataFrame([["a", "b", "c"], ["d", "e", "f"]])
      with self.assertRaises(Exception):
          verify_numeric(pd.DataFrame(X))
  
file_path: category_encoders/tests/test_helpers.py
imports: import numpy
  import pandas
  from unittest import TestCase
  from tests.helpers import verify_numeric
label_desc: Use image node_id 1 for calling the TestHelpers obj's underlying member method code with example usage: obj.test_is_numeric_pandas() without return types