code: def testDtype(self):
      a = array_ops.zeros(shape=[1, 2], dtype=dtypes.int64)
      self.assertIs(a.dtype.as_numpy_dtype, np.int64)
      np_dt = a.dtype.as_numpy_dtype
      self.assertAllEqual(0, np_dt(0))
  
imports: import numpy
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops.numpy_ops import np_arrays
  from tensorflow.python.ops.numpy_ops import np_math_ops
  from tensorflow.python.platform import test
  from tensorflow.python.util import nest
label_desc: Use image node_id 1 for calling the ArrayTest obj's underlying member method code with example usage: obj.testDtype() without return types