Explain test_bigrepeat skip in seq_tests.py

Author: fanninpm

Lib/test/seq_tests.py

@@ -321,7 +321,7 @@ def test_repeat(self):
             self.assertEqual(self.type2test(s)*(-4), self.type2test([]))
             self.assertEqual(id(s), id(s*1))
 
-    @unittest.skip("TODO: RUSTPYTHON")
+    @unittest.skip("TODO: RUSTPYTHON, only works on 32-bit systems?")
     def test_bigrepeat(self):
         if sys.maxsize <= 2147483647:
             x = self.type2test([0])