message: [TF-numpy] Adds some constants.
diff: @@ -40,6 +40,11 @@ from tensorflow.python.ops.numpy_ops import np_dtypes
  from tensorflow.python.ops.numpy_ops import np_utils
  +pi = np.pi
  +e = np.e
  +inf = np.inf
  +
  +
  @np_utils.np_doc_only('dot')
  def dot(a, b): # pylint: disable=missing-docstring
  