code: def testPmfUnderflow(self):
      logits = np.array([[-200, 0]], dtype=np.float32)
      with self.cached_session():
          dist = multinomial.Multinomial(total_count=1.0, logits=logits)
          lp = dist.log_prob([1.0, 0.0]).eval()[0]
          self.assertAllClose(-200, lp, atol=0, rtol=1e-6)
  
imports: import numpy
  from tensorflow.python.eager import backprop
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops.distributions import multinomial
  from tensorflow.python.platform import test
label_desc: Use image node_id 7 for calling the MultinomialTest obj's underlying member method code with example usage: obj.testPmfUnderflow() without return types