Update app.py

app.py

@@ -10,6 +10,9 @@ from langchain.prompts.prompt import PromptTemplate
 from langchain_community.graphs import Neo4jGraph
 from langchain.chains import GraphCypherQAChain
 from langchain.memory import ConversationBufferMemory
+from langchain.globals import set_debug
+
+set_debug(True)
 
 # process of getting credentials
 def get_credentials():