Update app.py

app.py

@@ -4,10 +4,11 @@ import transformers
 from transformers import AutoTokenizer
 from langchain import LLMChain, HuggingFacePipeline, PromptTemplate
 
+
 def greet(text):
 
     model = "meta-llama/Llama-2-7b-chat-hf"
-    tokenizer = AutoTokenizer.from_pretrained(model)
+    tokenizer = AutoTokenizer.from_pretrained(model, token=llama2)
     
     pipeline = transformers.pipeline(
     "text-generation",