code: def test_permutations_with_prefix(self):
      self.run_test(
          "def permutations_(l0,a):"
          "  from itertools import permutations;"
          "  return list(permutations(l0,a))",
          [0, 1, 2, 3, 4, 5],
          2,
          permutations_=[List[int], int],
      )
  
imports: from pythran.tests import TestEnv
  import unittest
  import numpy
  from pythran.typing import List, NDArray
label_desc: Use image node_id 42 for calling the TestItertools obj's underlying member method code with example usage: obj.test_permutations_with_prefix() without return types