code: def testPdfAtBoundary(self):
      dist = uniform.Uniform(
          low=[-2.0, 3.0], high=4.0, validate_args=True
      )
      pdf_at_boundary = self.evaluate(
          dist.prob([[-2.0, 3.0], [3.5, 4.0]])
      )
      self.assertAllFinite(pdf_at_boundary)
  
imports: import numpy
  from scipy import stats
  import tensorflow.compat.v2
  from tensorflow_probability.python.distributions import kullback_leibler
  from tensorflow_probability.python.distributions import uniform
  from tensorflow_probability.python.internal import test_util
  from tensorflow_probability.python.math import gradient
label_desc: Use image node_id 22 for calling the UniformTest obj's underlying member method code with example usage: obj.testPdfAtBoundary() without return types