Update app.py

app.py

@@ -11,7 +11,6 @@ from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.memory import ConversationBufferMemory
 from langchain.chains import ConversationalRetrievalChain
 from langchain.text_splitter import RecursiveCharacterTextSplitter
-from docarray import Document
 from docarray import DocumentArray
 from sentence_transformers import SentenceTransformer
 
@@ -41,7 +40,6 @@ def get_page_urls(url):
         return set()
 
 
-
 def get_url_content(url):
     try:
         response = requests.get(url)