Test if token is loaded

agent.py

@@ -2,6 +2,8 @@ from smolagents import DuckDuckGoSearchTool, CodeAgent, HfApiModel
 import os
 import yaml
 
+HF_TOKEN = os.getenv("HF_TOKEN")
+
 class BasicAgent:
     def __init__(self):
         print("BasicAgent initialized.")
@@ -12,7 +14,8 @@ class BasicAgent:
         with open("prompts.yaml", 'r') as stream:
             prompt_templates = yaml.safe_load(stream)
 
-        HF_TOKEN = os.getenv("HF_TOKEN")
+        if HF_TOKEN is None:
+            raise ValueError("HF_TOKEN environment variable is not set.")
 
         model = HfApiModel(model_id="Qwen/Qwen3-235B-A22B", token=HF_TOKEN)
         search_tool = DuckDuckGoSearchTool()