diff --git a/customer_service/chatbot.py b/customer_service/chatbot.py
index 8ff98a9a1..786d199bd 100644
--- a/customer_service/chatbot.py
+++ b/customer_service/chatbot.py
@@ -1,5 +1,6 @@
 import time
 
+
 class Chatbot:
     def __init__(self, nlp_model, knowledge_base):
         self.nlp_model = nlp_model
@@ -9,6 +10,6 @@ def chat(self, user_input):
         entities = self.nlp_model.extract_entities(user_input)
         intent = self.nlp_model.extract_intent(user_input)
         response = self.knowledge_base.get_response(intent)
-        print('User:', user_input)
-        print('Chatbot:', response)
+        print("User:", user_input)
+        print("Chatbot:", response)
         time.sleep(1)