gh-132143: fix codec

Author: littlebutt

Lib/test/test_sys.py

@@ -2095,7 +2095,7 @@ def test_remote_exec_raises_audit_event(self):
         prologue = '''\
 import sys
 def audit_hook(event, arg):
-    print(f"Audit event: {event}, arg: {arg}")
+    print(f"Audit event: {event}, arg: {arg}".encode("ascii", errors="replace"))
 sys.addaudithook(audit_hook)
 '''
         script = '''