code: def test_distill_raw_dict(self):
      eq_(
          self.module._distill_raw_params({"foo": "bar"}),
          [{"foo": "bar"}],
      )
      eq_(
          self.module._distill_raw_params(
              immutabledict({"foo": "bar"})
          ),
          [immutabledict({"foo": "bar"})],
      )
      eq_(
          self.module._distill_raw_params(
              MappingProxyType({"foo": "bar"})
          ),
          [MappingProxyType({"foo": "bar"})],
      )
  
imports: import datetime
  import re
  from types import MappingProxyType
  from sqlalchemy import exc
  from sqlalchemy.engine import processors
  from sqlalchemy.testing import assert_raises_message
  from sqlalchemy.testing import eq_
  from sqlalchemy.testing import expect_raises_message
  from sqlalchemy.testing import fixtures
  from sqlalchemy.util import immutabledict
label_desc: Use image node_id 14 for calling the _DistillArgsTest obj's underlying member method code with example usage: obj.test_distill_raw_dict() without return types