code: def test_train_different_inputs(self):
      self.assertInvalidVectorTrain(
          algorithms.GRNN(std=0.1, verbose=False),
          np.array([1, 2, 3]),
          np.array([1, 2, 3]),
      )
  
file_path: neupy/tests/algorithms/rbfn/test_grnn.py
imports: import numpy
  from sklearn import datasets, metrics
  from sklearn.model_selection import train_test_split
  from neupy import algorithms
  from neupy.exceptions import NotTrained
  from base import BaseTestCase
label_desc: Use image node_id 3 for calling the GRNNTestCase obj's underlying member method code with example usage: obj.test_train_different_inputs() without return types