code: def testAllReduceSumGradientTape(self, distribution):
      self._test_all_reduce_sum_gradient_tape(distribution)
  
imports: from tensorflow.python import tf2
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.distribute import combinations
  from tensorflow.python.distribute import distribute_lib
  from tensorflow.python.distribute import strategy_combinations
  from tensorflow.python.distribute import strategy_test_lib
  from tensorflow.python.distribute.v1 import input_lib
  from tensorflow.python.eager import context
  from tensorflow.python.eager import test
  from tensorflow.python.framework import device
label_desc: Use image node_id 11 for calling the OneDeviceStrategyTest obj's underlying member method code with example usage: obj.testAllReduceSumGradientTape(distribution) without return types