seeing where error is

app.py

@@ -51,6 +51,7 @@ class RoleAgent:
             f"Input: {input_text}\n"
             f"Output:"
         )
+        print("tokenizer is:", tokenizer, "— type:", type(tokenizer))
         encoding = tokenizer(prompt, return_tensors="pt")
         inputs = {k: v.to(model.device) for k, v in encoding.items()}