code: def testVariableRankAddScalar(self):
      self._VariableRankTests(state_ops.scatter_add, False, True)
  
imports: import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import ref_variable
  from tensorflow.python.ops import state_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import test
label_desc: Use image node_id 17 for calling the ScatterTest obj's underlying member method code with example usage: obj.testVariableRankAddScalar() without return types