Update app.py

app.py

@@ -58,11 +58,14 @@ tools = [audio_tool, image_tool, wiki_tool]
    #     )
    #     super().__init__(model=model, tools=tools, system_prompt=SYSTEM_PROMPT)
 
+api_key = os.getenv("HF_API_TOKEN", "").strip()
+
+
 class MyAgent(CodeAgent):
     def __init__(self):
         model = HfApiModel(
             model="mistralai/Mixtral-8x7B-Instruct-v0.1",  # pass model ID, not full URL
-            api_key=os.getenv("HF_API_TOKEN")
+            api_key=api_key
         )
         super().__init__(model=model, tools=tools)