code: def testPaddingsDim2(self):
      with test_util.use_gpu():
          with self.assertRaisesRegex(
              (ValueError, errors.InvalidArgumentError),
              "Dimension must be 2 but is 1|"
              "paddings must be a matrix with 2 columns",
          ):
              array_ops.pad(
                  array_ops.reshape([1, 2], shape=[1, 2]),
                  array_ops.reshape([1, 2], shape=[2, 1]),
              )
  
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 ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gradient_checker_v2
  from tensorflow.python.platform import test
label_desc: Use image node_id 9 for calling the PadOpTest obj's underlying member method code with example usage: obj.testPaddingsDim2() without return types