code: def _constant(values, dtype):
      return constant_op.constant(_values(values, dtype), dtype=dtype)
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_set_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import sets
  from tensorflow.python.ops import sparse_ops
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 2 for calling a global function with example usage: _constant(values, dtype) and returns: constant_op