Update app.py

app.py

@@ -6,7 +6,7 @@ from langchain.text_splitter import CharacterTextSplitter
 text_splitter = CharacterTextSplitter(chunk_size=350, chunk_overlap=0)
 
 from langchain.llms import HuggingFaceHub
-flan_ul2 = HuggingFaceHub(repo_id="google/flan-ul2", model_kwargs={"temperature":0.1, "max_new_tokens":300})
+flan_ul2 = HuggingFaceHub(repo_id="HuggingFaceH4/zephyr-7b-beta", model_kwargs={"temperature":0.1, "max_new_tokens":300})
 
 from langchain.embeddings import HuggingFaceHubEmbeddings
 embeddings = HuggingFaceHubEmbeddings()