Update app.py

app.py

@@ -21,12 +21,13 @@ from langchain_core.messages import HumanMessage, SystemMessage
 
 # Setup API key (replace with your key or use st.secrets)
 import os
-os.environ["HF_TOKEN"]=os.getenv('Ayush')
-os.environ["HUGGINGFACEHUB_API_KEY"]=os.getenv('Ayush')
+
+HF_TOKEN = "Ayush" 
 
 # Load model
 llm = HuggingFaceHub(
     repo_id="meta-llama/Llama-3.2-3B-Instruct",
+    huggingfacehub_api_token=HF_TOKEN,
     model_kwargs={"temperature": 0.6, "max_new_tokens": 100}
 )
 chat_model = ChatHuggingFace(llm=llm)