update HfApiModel with token

agent.py

@@ -101,13 +101,13 @@ def calculate(expr: str) -> float:
 # -------------------- AGENT CLASS --------------------
 
 tools = [web_search, wikipedia_search, image_recognition, read_pdf, calculate]
-
+HF_TOKEN = os.getenv("HF_API_TOKEN")
 class MyAgent:
     def __init__(self):
         from smolagents import HfApiModel
         self.agent = ToolCallingAgent(
             tools=tools,
-            model=HfApiModel("Qwen/Qwen2.5-Coder-32B-Instruct")  # or another supported model
+            model=HfApiModel("Qwen/Qwen2.5-Coder-32B-Instruct", token=HF_TOKEN)  # or another supported model
         )
 
     def __call__(self, question: str) -> str: