Update app.py

app.py

@@ -9,6 +9,7 @@ from langgraph.graph import START, StateGraph, MessagesState
 from langgraph.graph.message import add_messages
 from langgraph.prebuilt import ToolNode, tools_condition
 from langchain_core.messages import AnyMessage, HumanMessage
+from langchain_groq import ChatGroq
 from langchain_huggingface import HuggingFaceEndpoint, ChatHuggingFace
 
 # (Keep Constants as is)
@@ -16,7 +17,7 @@ from langchain_huggingface import HuggingFaceEndpoint, ChatHuggingFace
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 # --- Basic Agent Definition ---
-
+#llm = ChatGroq(model="qwen-qwq-32b", temperature=0)
 #llm = HuggingFaceEndpoint(repo_id="HuggingFaceTB/SmolLM-135M-Instruct")
 llm = HuggingFaceEndpoint(
         repo_id="TinyLlama/TinyLlama-1.1B-Chat-v1.0",
@@ -25,6 +26,7 @@ llm = HuggingFaceEndpoint(
         do_sample=False,
         repetition_penalty=1.03,
         temperature=0,
+        huggingfacehub_api_token=HF_TOKEN
 )
 
 chat = ChatHuggingFace(llm=llm, verbose=True)