Add import of langchain

app.py

@@ -8,9 +8,11 @@ from pydub import AudioSegment
 from nltk import sent_tokenize
 nltk.download('punkt')
 
-
 from langchain.text_splitter import RecursiveCharacterTextSplitter
-
+from langchain.embeddings.openai import OpenAIEmbeddings
+from langchain.vectorstores import Chroma
+from langchain.chat_models import ChatOpenAI
+from langchain.chains import RetrievalQA
 
 def transcribe_audio(audiofile):
 

requirements.txt

@@ -3,3 +3,8 @@ transformers
 git+https://github.com/openai/whisper.git
 AudioSegment
 nltk==3.7
+openai
+langchain
+tiktoken
+chromadb
+tabulate