chat bot attempt sherika

phase/Student_view/chatbot.py

@@ -6,10 +6,12 @@ from huggingface_hub import InferenceClient
 
 # Read from Space Secrets (Settings → Variables & secrets)
 HF_TOKEN = os.getenv("HF_TOKEN")
-GEN_MODEL = os.getenv("GEN_MODEL", "mistralai/Mistral-7B-Instruct-v0.2")
+# Replace with your chosen model
+GEN_MODEL = "HuggingFaceTB/SmolLM2-135M-Instruct"  # CPU-friendly
 
 if not HF_TOKEN:
     st.error("⚠️ HF_TOKEN is not set. In your Space, add a Secret named HF_TOKEN.")
+    
 client = InferenceClient(model=GEN_MODEL, token=HF_TOKEN)
 
 def add_message(text: str, sender: str):
@@ -31,6 +33,7 @@ def _reply_with_hf():
         convo.append(f"{role}: {m['text']}")
     prompt = (system + "\n\n" + "\n".join(convo) + "\nASSISTANT:").strip()
 
+    # Call the Hugging Face Inference API with a lightweight model
     return client.text_generation(
         prompt,
         max_new_tokens=220,
@@ -38,6 +41,7 @@ def _reply_with_hf():
         stream=False
     )
 
+
 def show_page():
     st.title("🤖 AI Financial Tutor")
     st.caption("Get personalized help with your financial questions")