code: def _check_none_are_np_float64(t) -> bool:
      if not isinstance(t, tuple):
          t = dataclasses.astuple(t)
      return all(not isinstance(v, np.float64) for v in t)
  
imports: import dataclasses
  import numpy
  from absl.testing import absltest
  from absl.testing import parameterized
  from unittest.mock import patch
  from typing import Tuple
  import pipeline_dp
  from analysis import per_partition_combiners
  from analysis import metrics
  from analysis.tests import common
label_desc: Use image node_id 2 for calling a global function with example usage: _check_none_are_np_float64(t) and returns: all