gh-99537: Use Py_CLEAR() function in C code #99686
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Replace "Py_XDECREF(var); var = NULL;" with "Py_CLEAR(var);". Don't replace "Py_DECREF(var); var = NULL;" with "Py_CLEAR(var);". It would add an useless "if (var)" test in code path where var cannot be NULL.
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Replace "Py_XDECREF(var); var = NULL;" with "Py_CLEAR(var);".
Don't replace "Py_DECREF(var); var = NULL;" with "Py_CLEAR(var);". It would add an useless "if (var)" test in code path where var cannot be NULL.