Update app.py

app.py

@@ -13,11 +13,11 @@ from typing import List, Dict, Optional
 
 # LangChain imports
 from langchain.text_splitter import RecursiveCharacterTextSplitter
-from langchain.vectorstores import FAISS
-from langchain.embeddings import OpenAIEmbeddings
+from langchain_community.vectorstores import FAISS
+from langchain_openai import OpenAIEmbeddings, ChatOpenAI
+from langchain_community.vectorstores import FAISS
 from langchain.docstore.document import Document
 from langchain.chains import RetrievalQA
-from langchain.llms import OpenAI
 from langchain.prompts import PromptTemplate
 from langchain.memory import ConversationBufferMemory
 from langchain.chains import ConversationalRetrievalChain
@@ -67,8 +67,8 @@ class EnhancedGPTDriveIntegration:
         
         # Initialize OpenAI and LangChain components
         openai.api_key = os.getenv('OPENAI_API_KEY')
-        self.embeddings = OpenAIEmbeddings(openai_api_key=os.getenv('OPENAI_API_KEY'))
-        self.llm = OpenAI(temperature=0.7, openai_api_key=os.getenv('OPENAI_API_KEY'))
+        self.embeddings = OpenAIEmbeddings()  
+        self.llm = ChatOpenAI(temperature=0.7, model="gpt-3.5-turbo")  
         
         # Text splitter for better chunking
         self.text_splitter = RecursiveCharacterTextSplitter(