Update app.py

app.py

@@ -12,7 +12,7 @@ from langchain.chains import ConversationChain
 from langchain.memory import ConversationBufferMemory
 from langchain_community.llms import HuggingFaceEndpoint
 
-api_token = os.getenv("HF_TOKEN")
+api_token = os.getenv("FirstToken")
 
 # Available LLM models
 list_llm = [