code: def test_train_different_inputs(self):
      self.assertInvalidVectorTrain(
          algorithms.Oja(
              minimized_data_size=1, verbose=False, step=0.01
          ),
          np.array([1, 2, 3]),
      )
  
file_path: neupy/tests/algorithms/associative/test_oja.py
imports: import numpy
  from neupy import algorithms, init
  from neupy.exceptions import NotTrained
  from base import BaseTestCase
  from helpers import vectors_for_testing
label_desc: Use image node_id 4 for calling the OjaTestCase obj's underlying member method code with example usage: obj.test_train_different_inputs() without return types