Update app.py

app.py

@@ -67,7 +67,7 @@ def get_links_from_page(url, visited_urls, all_links, base_domain):
         print(f"Failed to retrieve content from {url}. Status code: {response.status_code}")
 
 
-from langchain_community.embeddings import HuggingFaceBEmbeddings 
+from langchain_community.embeddings import HuggingFaceEmbeddings 
 from langchain.chains import RetrievalQA
 
 from langchain.memory import ConversationBufferMemory