Update app.py

app.py

@@ -4,7 +4,7 @@ import pdfplumber
 import docx
 import nltk
 import gradio as gr
-from langchain.embeddings import (
+from langchain_community.embeddings import (
     HuggingFaceEmbeddings,
     OpenAIEmbeddings,
     CohereEmbeddings,