Update app.py

app.py

@@ -65,7 +65,7 @@ def run_example(image, text_input, model_id="Qwen/Qwen2-VL-7B-Instruct"):
     )
 
     pattern = r'\[\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\]'
-    matches = re.findall(pattern, string)
+    matches = re.findall(pattern, output_text)
     result = [[int(num) for num in match] for match in matches]
     return result