diff --git a/Zadanie-4/poly.py b/Zadanie-4/poly.py
index ab3ac44..8900371 100644
--- a/Zadanie-4/poly.py
+++ b/Zadanie-4/poly.py
@@ -11,7 +11,7 @@ class Polynomial:
 
     def __pow__(self, n):
         result = self
-        for i in range(n):
+        for _ in range(n):
             result = Polynomial.multiply(result, result)
         return result