code: def test_he_normal_gain():
      from lasagne.init import HeNormal
  
      sample = HeNormal(gain=10.0).sample((100, 100))
      assert -0.1 < sample.mean() < 0.1
      assert 0.9 < sample.std() < 1.1
  
      sample = HeNormal(gain="relu").sample((200, 50))
      assert -0.1 < sample.mean() < 0.1
      assert 0.07 < sample.std() < 0.12
  
imports: import pytest
label_desc: Use image node_id 22 for calling a global function with example usage: test_he_normal_gain() without return types