diff --git a/labs02/task11.py b/labs02/task11.py
index cda993a..62e180d 100644
--- a/labs02/task11.py
+++ b/labs02/task11.py
@@ -17,7 +17,7 @@ def common_chars(string1, string2):
                 wspolne.append(z1)
     return wspolne.sort()
 
-    
+
 
 def tests(f):
     inputs = [["this is a string", "ala ma kota"]]