Update app.py

app.py

@@ -5,12 +5,12 @@ from transformers import AutoTokenizer
 from langchain import LLMChain, HuggingFacePipeline, PromptTemplate
 import os
 
-token = os.getenv("Llama2")
+access_token = os.getenv("Llama2")
 
 def greet(text):
 
     model = "meta-llama/Llama-2-7b-chat-hf"
-    tokenizer = AutoTokenizer.from_pretrained(model, token=token)
+    tokenizer = AutoTokenizer.from_pretrained(model, token=access_token)
     
     pipeline = transformers.pipeline(
     "text-generation",