call site 20 for test.raises
builtin/testing/test_reversed.py - line 14
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   def test_reversed():
       r = reversed("hello")
       assert iter(r) is r
       assert r.next() == "o"
       assert r.next() == "l"
       assert r.next() == "l"
       assert r.next() == "e"
       assert r.next() == "h"
       raises(StopIteration, r.next)
       assert list(reversed(list(reversed("hello")))) == ['h','e','l','l','o']
->     raises(TypeError, reversed, reversed("hello"))