code: def _NewShapelessTensor(self):
      tensor = array_ops.placeholder(dtypes.float32)
      self.assertEqual(tensor_shape.unknown_shape(), tensor.get_shape())
      return tensor
  
imports: import numpy
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import array_ops_stack
  from tensorflow.python.ops import gen_state_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import state_ops
  from tensorflow.python.ops import variable_v1
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import test
label_desc: Use image node_id 9 for calling the VariableOpTest obj's underlying member method code with example usage: obj._NewShapelessTensor() and returns: tensor