Update app.py

app.py

@@ -9,7 +9,7 @@ from langchain.prompts import PromptTemplate, ChatPromptTemplate
 from langchain_core.prompts.chat import SystemMessagePromptTemplate, HumanMessagePromptTemplate
 import os
 your_endpoint_url = "https://kp4xdy196cw81uf3.us-east-1.aws.endpoints.huggingface.cloud"
-token = os.environ["HUGGINGFACEHUB_API_TOKEN"]
+token = os.environ["API_TOKEN"]
 
 llm = HuggingFaceEndpoint(
     endpoint_url=f"{your_endpoint_url}",