Update app.py

app.py

@@ -113,7 +113,7 @@ class BasicAgent:
                 image_bytes = f.read()
             image_b64 = base64.b64encode(image_bytes).decode("utf-8")
 
-             result = client.chat_completion(
+            result = client.chat_completion(
                  model="Qwen/Qwen2.5-VL-72B-Instruct",
                   messages=[
                       {