Issue #28999: Use Py_RETURN_NONE, Py_RETURN_TRUE and Py_RETURN_FALSE wherever
possible.  Patch is writen with Coccinelle.
diff --git a/Objects/exceptions.c b/Objects/exceptions.c
index 57a786c..35a8b66 100644
--- a/Objects/exceptions.c
+++ b/Objects/exceptions.c
@@ -184,8 +184,7 @@
 BaseException_get_args(PyBaseExceptionObject *self)
 {
     if (self->args == NULL) {
-        Py_INCREF(Py_None);
-        return Py_None;
+        Py_RETURN_NONE;
     }
     Py_INCREF(self->args);
     return self->args;
@@ -210,8 +209,7 @@
 BaseException_get_tb(PyBaseExceptionObject *self)
 {
     if (self->traceback == NULL) {
-        Py_INCREF(Py_None);
-        return Py_None;
+        Py_RETURN_NONE;
     }
     Py_INCREF(self->traceback);
     return self->traceback;