Py_UseClassExceptionsFlag is deprecated. We keep the C variable for C

API consistency, but nothing sets it or checks it now.

Python/pythonrun.c

@@ -86,7 +86,7 @@ int Py_DebugFlag; /* Needed by parser.c */
 int Py_VerboseFlag; /* Needed by import.c */
 int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */
 int Py_NoSiteFlag; /* Suppress 'import site' */
-int Py_UseClassExceptionsFlag = 1; /* Needed by bltinmodule.c */
+int Py_UseClassExceptionsFlag = 1; /* Needed by bltinmodule.c: deprecated */
 int Py_FrozenFlag; /* Needed by getpath.c */
 int Py_UnicodeFlag = 0; /* Needed by compile.c */