Update app.py

app.py

@@ -27,6 +27,7 @@ llm = HuggingFaceEndpoint(
     max_length=200000,
     do_sample=False,
     repetition_penalty=1.03,
+    huggingfacehub_api_token=os.getenv('HF_KEY')
 )
 
 llama3 = ChatHuggingFace(llm=llm, temperature = 1)