code: def test_input_var(self, layer):
      assert layer.input_var.ndim == 2
  
file_path: Lasagne/lasagne/tests/layers/test_input.py
imports: import pytest
  import theano
label_desc: Use image node_id 2 for calling the TestInputLayer obj's underlying member method code with example usage: obj.test_input_var(layer) without return types