Update app.py

app.py

@@ -31,7 +31,7 @@ def pdf_to_text(pdf_file, query):
   text_splitter = RecursiveCharacterTextSplitter(chunk_size=1000, chunk_overlap=0)
   texts = text_splitter.split_text(text)
 
-  embeddings = OpenAIEmbeddings()
+  embeddings = HuggingFaceEmbeddings()
   #vector store
   vectorstore = FAISS.from_texts(texts, embeddings)
   llm = HuggingFaceHub(repo_id="google/flan-t5-xl", model_kwargs={"temperature":0, "max_length":512})