diff --git a/demo_code.py b/demo_code.py
index 0aa9b6d42..d07d47d99 100644
--- a/demo_code.py
+++ b/demo_code.py
@@ -17,6 +17,8 @@ def __init__(self):
         self.limits = (1, 10)
 
     def get_number(self, min_max):
+        """
+        """
         raise NotImplementedError
 
     def smethod():
diff --git a/requirements.txt b/requirements.txt
index 6d8860233..7e1060246 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1 @@
 flask
-request