chatbot fix3 sherika

phase/Student_view/chatbot.py

@@ -68,9 +68,15 @@ def _reply_with_hf():
             prompt,
             max_new_tokens=220,
             temperature=0.2,
-            return_full_text=False  # only return the completion
+            return_full_text=False,
+            stream=False,   # 👈 force non-streaming
         )
-        return response.strip()
+        if isinstance(response, str):
+            return response.strip()
+        elif isinstance(response, dict) and "generated_text" in response:
+            return response["generated_text"].strip()
+        else:
+            return str(response).strip()
     except Exception as e:
         err_text = ''.join(traceback.format_exception_only(type(e), e)).strip()
         raise RuntimeError(f"Hugging Face API Error: {err_text}")