diff --git a/sources/covered.py b/sources/covered.py
index 79d7db4..dc9884f 100644
--- a/sources/covered.py
+++ b/sources/covered.py
@@ -1,7 +1,12 @@
 """This file is covered by tests."""
 
+import time
+
 def hello(count):
     s = "Hello World!"
     if count == 1:
         return s
+        
+    time.sleep(1)
+        
     return [s] * count