code: def test_gamma(self):
      assert _kl.kl_gamma_distribution(1, 0.01, 1, 0.01) == 0
      assert _kl.kl_gamma_distribution(1, 0.01, 2, 0.01) > 0
      assert _kl.kl_gamma_distribution(1, 0.01, 1, 0.02) > 0
  
file_path: hmmlearn/lib/hmmlearn/tests/test_kl_divergence.py
imports: import numpy
  from hmmlearn import _kl_divergence
label_desc: Use image node_id 4 for calling the TestKLDivergence obj's underlying member method code with example usage: obj.test_gamma() without return types