Update app.py

app.py

@@ -15,6 +15,7 @@ from PyPDF2 import PdfReader, PdfWriter
 from hugchat import hugchat
 from hugchat.login import Login
 from tavily import TavilyClient
+import pprint
 
 from langchain.chains import LLMChain, RetrievalQA
 from langchain_openai import ChatOpenAI
@@ -28,15 +29,16 @@ from langchain.llms import HuggingFaceTextGenInference
 from langchain_community.embeddings import HuggingFaceInstructEmbeddings, HuggingFaceEmbeddings, HuggingFaceBgeEmbeddings, HuggingFaceInferenceAPIEmbeddings
 from langchain.retrievers.tavily_search_api import TavilySearchAPIRetriever
 
-from langchain_openai import OpenAIEmbeddings
+from langchain.embeddings.openai import OpenAIEmbeddings
 from langchain.prompts import PromptTemplate
 from langchain.text_splitter import RecursiveCharacterTextSplitter
-from langchain.vectorstores import Chroma
+from langchain_community.vectorstores import Chroma
 from chromadb.errors import InvalidDimensionException
 from utils import *
 from beschreibungen import *
 
 
+
 #from langchain.vectorstores import MongoDBAtlasVectorSearch
 #from pymongo import MongoClient