code: def testEmptyWithRepeatedLabels(self):
      self._check_gradient("aab,bc->ac", (0, 0, 10), (10, 10))
      self._check_gradient("aab,bc->ac", (1, 1, 0), (0, 10))
      self._check_gradient("aaab,bc->c", (0, 0, 0, 3), (3, 4))
  
imports: import numpy
  from tensorflow.python.client import session
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_linalg_ops
  from tensorflow.python.ops import gradient_checker_v2
  from tensorflow.python.ops import special_math_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import benchmark
  from tensorflow.python.platform import test
label_desc: Use image node_id 9 for calling the EinsumGradTest obj's underlying member method code with example usage: obj.testEmptyWithRepeatedLabels() without return types