message: Added mechanism to set global constants in utils.py similar to one for other files.
diff: @@ -33,6 +33,14 @@ from tensorflow.python.ops import random_ops
  POSDEF_INV_METHOD = "cholesky"
  +def set_global_constants(posdef_inv_method=None):
  + """Sets various global constants used by the classes in this module."""
  + global POSDEF_INV_METHOD
  +
  + if posdef_inv_method is not None:
  + POSDEF_INV_METHOD = posdef_inv_method
  +
  +
  class SequenceDict(object):
  """A dict convenience wrapper that allows getting/setting with sequences."""
  