Issue #28701: Replace _PyUnicode_CompareWithId with _PyUnicode_EqualToASCIIId.

The latter function is more readable, faster and doesn't raise exceptions.

Based on patch by Xiang Zhang.

Python/pythonrun.c

@@ -751,7 +751,7 @@ print_exception(PyObject *f, PyObject *value)
             err = PyFile_WriteString("<unknown>", f);
         }
         else {
-            if (_PyUnicode_CompareWithId(moduleName, &PyId_builtins) != 0)
+            if (!_PyUnicode_EqualToASCIIId(moduleName, &PyId_builtins))
             {
                 err = PyFile_WriteObject(moduleName, f, Py_PRINT_RAW);
                 err += PyFile_WriteString(".", f);