Update app.py

app.py

@@ -76,6 +76,9 @@ class DocumentRetrievalAndGeneration:
             bnb_4bit_compute_dtype=torch.bfloat16
         )
         hf_token = os.getenv('HF_TOKEN')
+        print(f"Token found: {hf_token is not None}")
+        print(f"LLM Token found: {hf_token is not None}") 
+        print(f"Token starts with: {hf_token[:10] if hf_token else 'None'}...")  
         tokenizer = AutoTokenizer.from_pretrained(model_id, token=hf_token)
         model = AutoModelForCausalLM.from_pretrained(
             model_id,