updated

app.py

@@ -25,7 +25,10 @@ MAX_AGENT_ITERATIONS = 15
 MAX_CONCURRENT_REQUESTS = 5  # Limit concurrent requests to avoid overwhelming the API
 
 load_dotenv()
-HUGGINGFACEHUB_API_TOKEN = os.getenv("HUGGINGFACEHUB_API_TOKEN")
+HUGGINGFACEHUB_API_TOKEN = os.getenv("HUGGINGFACEHUB_API_TOKEN") or os.getenv("HF_TOKEN")
+
+# Quick test to see if tokens are available.
+print(f"Available env vars: {[k for k in os.environ.keys() if 'TOKEN' in k or 'HF' in k]}")
 
 # Global cache for answers
 answer_cache = {}
@@ -269,7 +272,11 @@ def cache_answers(profile: gr.OAuthProfile | None):
         print(f"Fetched {len(questions_data)} questions for caching.")
         
         # Initialize agent
-        agent = ImprovedAgent()
+        try:
+            agent = ImprovedAgent()
+        except Exception as e:
+            print(f"Full error details: {e}")
+            return f"Error initializing agent: {e}", None
         
         # Process questions
         results_log, answers_payload = asyncio.run(run_agent_async_improved(agent, questions_data))