code: def testAssign(self):
      for dtype in [
          dtypes.float32,
          dtypes.int64,
          dtypes.uint32,
          dtypes.uint8,
      ]:
          value = np.array([[42, 43]])
          var = state_ops.variable_op(value.shape, dtype)
          self.assertShapeEqual(value, var)
          assigned = state_ops.assign(var, value)
          self.assertShapeEqual(value, assigned)
  
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 5 for calling the VariableOpTest obj's underlying member method code with example usage: obj.testAssign() without return types