code: def testFunctionCanReturnPerReplica(self):
      f = def_function.function(lambda x: x)
      x = values_lib.PerReplica((constant_op.constant(1.0),))
      y = f(x)
      self.assertIsNot(x, y)
      nest.map_structure(
          self.assertAllEqual, x, y, expand_composites=True
      )
      self.assertEqual(x._type_spec, y._type_spec)
  
imports: from absl.testing import parameterized
  from tensorflow.python.distribute import combinations
  from tensorflow.python.distribute import test_util
  from tensorflow.python.distribute import values
  from tensorflow.python.eager import context
  from tensorflow.python.eager import def_function
  from tensorflow.python.eager import test
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import tensor_spec
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import cond
  from tensorflow.python.util import nest
label_desc: Use image node_id 6 for calling the PerReplicaTest obj's underlying member method code with example usage: obj.testFunctionCanReturnPerReplica() without return types