chatbot fix2 sherika

phase/Student_view/chatbot.py

@@ -64,21 +64,13 @@ def _reply_with_hf():
     prompt = f"{TUTOR_PROMPT}\n\n{convo}\n\nTutor:"
 
     try:
-        response = client.post(
-            json={
-                "inputs": prompt,
-                "parameters": {"max_new_tokens": 220, "temperature": 0.2},
-            }
+        response = client.text_generation(
+            prompt,
+            max_new_tokens=220,
+            temperature=0.2,
+            return_full_text=False  # only return the completion
         )
-        # Handle both list-of-dicts and dict formats
-        if isinstance(response, list) and "generated_text" in response[0]:
-            return response[0]["generated_text"].strip()
-        elif isinstance(response, dict) and "generated_text" in response:
-            return response["generated_text"].strip()
-        elif isinstance(response, str):
-            return response.strip()
-        else:
-            raise ValueError(f"Unexpected response format: {response}")
+        return 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}")