code: def testPythonTypesConversion(self):
      self.assertIs(dtypes.float32, dtypes.as_dtype(float))
      self.assertIs(dtypes.bool, dtypes.as_dtype(bool))
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.framework import _dtypes
  from tensorflow.core.framework import types_pb2
  from tensorflow.core.function import trace_type
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 19 for calling the TypesTest obj's underlying member method code with example usage: obj.testPythonTypesConversion() without return types