code: def testJaxTypeFromType(self, jaxtype):
      self.assertIs(
          dtypes._jax_type(*dtypes._dtype_and_weaktype(jaxtype)),
          jaxtype,
      )
  
imports: import dataclasses
  import enum
  import functools
  from functools import partial
  import itertools
  import operator
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  import jax
  from jax import numpy
  from jax._src import config
  from jax._src import dtypes
  from jax._src import test_util
  from jax._src.lax import lax
label_desc: Use image node_id 1 for calling the TestPromotionTables obj's underlying member method code with example usage: obj.testJaxTypeFromType(jaxtype) without return types