Update app.py

app.py

@@ -1,20 +1,20 @@
 import gradio as gr
-import langchain, openai, os, random, shutil
+import openai, os, random, shutil
 
-#from langchain.chains import RetrievalQA
-#from langchain.chat_models import ChatOpenAI
-#from langchain.document_loaders.blob_loaders.youtube_audio import YoutubeAudioLoader
-#from langchain.document_loaders.generic import GenericLoader
-#from langchain.document_loaders.parsers import OpenAIWhisperParser
-#from langchain.embeddings.openai import OpenAIEmbeddings
-#from langchain.prompts import PromptTemplate
-#from langchain.text_splitter import RecursiveCharacterTextSplitter
-#from langchain.vectorstores import Chroma
+from langchain.chains import RetrievalQA
+from langchain.chat_models import ChatOpenAI
+from langchain.document_loaders.blob_loaders.youtube_audio import YoutubeAudioLoader
+from langchain.document_loaders.generic import GenericLoader
+from langchain.document_loaders.parsers import OpenAIWhisperParser
+from langchain.embeddings.openai import OpenAIEmbeddings
+from langchain.prompts import PromptTemplate
+from langchain.text_splitter import RecursiveCharacterTextSplitter
+from langchain.vectorstores import Chroma
 
 from dotenv import load_dotenv, find_dotenv
 _ = load_dotenv(find_dotenv())
 
-#openai.api_key = os.environ["OPENAI_API_KEY"]
+openai.api_key = "" #os.environ["OPENAI_API_KEY"]
 
 template = """Use the following pieces of context to answer the question at the end. If you don't know the answer, just say that you don't know, don't try to make up 
               an answer. Keep the answer as concise as possible. Always say "🔥 Thanks for using the app - Bernd Straehle." at the end of the answer.