From 24a39aeca67eb89ab2b3e24aa91a96f4fcacb591 Mon Sep 17 00:00:00 2001
From: "WQY\\qiong" <qiongyu.wang@outlook.com>
Date: Fri, 10 Mar 2023 19:57:52 +0800
Subject: [PATCH] Fix option pattern reading

---
 api/s23_options.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/api/s23_options.py b/api/s23_options.py
index cb1fc5a..1a02b6b 100644
--- a/api/s23_options.py
+++ b/api/s23_options.py
@@ -22,9 +22,10 @@ def inp_in_option(section: list[str]) -> ChangeSet:
 
         tokens = s.strip().split()
         if tokens[0].upper() == 'PATTERN': # can not upper id
-            cs |= { 'PATTERN' : tokens[1] }
+            value = tokens[1] if len(tokens) > 1 else ''
+            cs |= { 'PATTERN' : value }
         elif tokens[0].upper() == 'QUALITY': # can not upper trace node
-            value = tokens[1]
+            value = tokens[1] if len(tokens) > 1 else ''
             if len(tokens) > 2:
                 value += f' {tokens[2]}'
             cs |= { 'QUALITY' : value }