diff --git a/mycoffee/functions.py b/mycoffee/functions.py
index 24dd51c..cbd0fa5 100644
--- a/mycoffee/functions.py
+++ b/mycoffee/functions.py
@@ -4,6 +4,7 @@
 from mycoffee.params import MY_COFFEE_VERSION, DEFAULT_PARAMS, METHODS_MAP
 from art import tprint
 
+
 def is_int(number):
     """
     Check that input number is int or not.
@@ -16,6 +17,7 @@ def is_int(number):
         return True
     return False
 
+
 def print_message(params):
     """
     Print message.