update test_sys

Author: iritkatriel

Lib/test/test_sys.py

@@ -1776,7 +1776,7 @@ def delx(self): del self.__x
         check((1,2,3), vsize('') + self.P + 3*self.P)
         # type
         # static type: PyTypeObject
-        fmt = 'P2nPI13Pl4Pn9Pn12PIPc'
+        fmt = 'P2nPI13Pl4Pn9Pn12PI3Pc'
         s = vsize(fmt)
         check(int, s)
         typeid = 'n' if support.Py_GIL_DISABLED else ''