api_key in a secret

agent.py

@@ -1,5 +1,7 @@
+import os
 from smolagents import CodeAgent, DuckDuckGoSearchTool, VisitWebpageTool, tool, InferenceClientModel
 
+
 class QAgent:
     def __init__(self):
         print("BasicAgent initialized.")
@@ -7,7 +9,7 @@ class QAgent:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
         # provider = "nebius"
         model = "Qwen/Qwen2.5-Coder-32B-Instruct"
-        api_key = SP_HF_TOK
+        api_key = os.environ.get('SP_HF_TOK')
 
         agent = CodeAgent(tools=[DuckDuckGoSearchTool, VisitWebpageTool], 
             model=InferenceClientModel(