message: Removes deprecation for argument `constraint` of BaseResourceVariable.__init__ because it triggers a warning message when tf.Variable is called within tf.function, which shows up in public docs/guides.
diff: @@ -51,7 +51,6 @@ from tensorflow.python.ops.gen_resource_variable_ops import *
  from tensorflow.python.training.tracking import base as trackable
  from tensorflow.python.util import compat
  from tensorflow.python.util.deprecation import deprecated
  -from tensorflow.python.util.deprecation import deprecated_args
  acd.register_read_only_resource_op("ReadVariableOp")
  @@ -334,10 +333,7 @@ def variable_accessed(variable):
  class BaseResourceVariable(variables.VariableV1):
  """A python variable from an existing handle."""
  - @deprecated_args(
  - None,
  - "If using Keras pass *_constraint arguments to layers.",
  - "constraint")
  + # TODO(wangpeng): Deprecate `constraint` when callers no long pass it in.
  def __init__( # pylint: disable=super-init-not-called
  self,
  trainable=None,
  