code: def testPdfZeroBatchesNontrivialX(self):
      alpha = [1.0, 2]
      x = [0.3, 0.7]
      dist = dirichlet_lib.Dirichlet(alpha)
      pdf = dist.prob(x)
      self.assertAllClose(7.0 / 5, self.evaluate(pdf))
      self.assertEqual((), pdf.get_shape())
  
imports: import importlib
  import numpy
  from tensorflow.python.eager import backprop
  from tensorflow.python.framework import constant_op
  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 dirichlet
  from tensorflow.python.ops.distributions import kullback_leibler
  from tensorflow.python.platform import test
  from tensorflow.python.platform import tf_logging
label_desc: Use image node_id 7 for calling the DirichletTest obj's underlying member method code with example usage: obj.testPdfZeroBatchesNontrivialX() without return types