add langchain debug

app.py

@@ -30,6 +30,7 @@ from langchain.schema.messages import (
 from langchain import LLMChain
 import azure.cognitiveservices.speech as speechsdk
 import requests
+
 import sys
 import pinecone      
 from pinecone.core.client.configuration import Configuration as OpenApiConfiguration
@@ -56,8 +57,9 @@ from langchain.document_loaders import (
 )
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain.docstore.document import Document
+import langchain
 
-
+langchain.debug = True
 memory = ConversationBufferMemory(memory_key="chat_history")
 
 memory_openai = ConversationBufferMemory(memory_key="memory", return_messages=True)