1  import gc
       2  
       3  thingy = object()
       4  class ESC[4;38;5;81mA(ESC[4;38;5;149mobject):
       5      def f(self):
       6          return 1
       7      x = thingy
       8  
       9  r = gc.get_referrers(thingy)
      10  if "__module__" in r[0]:
      11      dct = r[0]
      12  else:
      13      dct = r[1]
      14  
      15  a = A()
      16  for i in range(10):
      17      a.f()
      18  dct["f"] = lambda self: 2
      19  
      20  print(a.f()) # should print 1