code: def test_distill_raw_tuple(self):
      eq_(self.module._distill_raw_params(()), [()])
      eq_(self.module._distill_raw_params((1, 2, 3)), [(1, 2, 3)])
  
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 13 for calling the _DistillArgsTest obj's underlying member method code with example usage: obj.test_distill_raw_tuple() without return types