Update app.py

app.py

@@ -71,12 +71,13 @@ class WikipediaTool(Tool):
 
 class BasicAgent:
     def __init__(self):
+        hf_token = os.getenv("AGENT_TOKEN")
         self.model = HfApiModel(
             max_tokens=2096,
             temperature=0.3, 
             model_id='Qwen/Qwen2.5-Coder-32B-Instruct',
             custom_role_conversions=None,
-            hf_token="AGENT_TOKEN"
+            hf_token=hf_token
         )