gh-132143: Fix the `AssertionError` in the test case `test.test_sys.TestRemoteExec` (#132248)

diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index b3dba9d..5f7171d 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -2101,7 +2101,7 @@ 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 = '''