Update app.py

app.py

@@ -4,7 +4,7 @@ from langchain.embeddings.openai import OpenAIEmbeddings
 from langchain.vectorstores import Chroma
 from langchain.chat_models import ChatOpenAI
 from langchain.chains import RetrievalQA
-import os
+import os, logging
 
 destination_folder = './data/'
 txt_dir_loader = DirectoryLoader(destination_folder, 
@@ -14,6 +14,7 @@ data = txt_dir_loader.load()
 text_splitter = RecursiveCharacterTextSplitter(chunk_size=1000, 
                                                chunk_overlap=20)
 documents = text_splitter.split_documents(data)
+logging.info("LOGGING")
 
 embeddings = OpenAIEmbeddings()