code: def testReducedIndices(self):
      self._check("ba,b->", (3, 2), (3,))
      self._check("ab,ab->", (3, 4), (3, 4))
      self._check("abce,badf->abcd", (1, 2, 3, 4), (2, 1, 4, 3))
  
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 6 for calling the EinsumOpTest obj's underlying member method code with example usage: obj.testReducedIndices() without return types