Update app.py

app.py

@@ -1,2 +1,17 @@
 import streamlit as st
+import os
+import getpass
+from langchain import PromptTemplate
+from langchain import hub
+from langchain.docstore.document import Document
+from langchain.document_loaders import WebBaseLoader
+from langchain.schema import StrOutputParser
+from langchain.schema.prompt_template import format_document
+from langchain.schema.runnable import RunnablePassthrough
+from langchain.vectorstores import Chroma
+
+
+
+loader = WebBaseLoader("https://blog.google/technology/ai/google-gemini-ai/")
+docs = loader.load()