code: def test_ifilter_with_nested_lambdas(self):
      code = """
  def ifilter_with_nested_lambdas(N):
      perf = lambda n: n == sum(i for i in range(1, n) if n % i == 0)
      return list(map(perf, range(20)))"""
      self.run_test(code, 10, ifilter_with_nested_lambdas=[int])
  
imports: from pythran.tests import TestEnv
  import unittest
  import numpy
  from pythran.typing import List, NDArray
label_desc: Use image node_id 33 for calling the TestItertools obj's underlying member method code with example usage: obj.test_ifilter_with_nested_lambdas() without return types