Update app.py

app.py

@@ -6,6 +6,11 @@ from langchain_google_genai import GoogleGenerativeAIEmbeddings, ChatGoogleGener
 from langchain_community.vectorstores import FAISS
 from langchain.memory import ConversationBufferMemory
 from langchain.chains import ConversationalRetrievalChain
+import os 
+
+
+
+GOOGLE_API_KEY = os.environ['GOOGLE_API_KEY']
 
 
 # Processing pdfs