diff --git a/solutions/tests/challenge_28/test_perfect_numbers.py b/solutions/tests/challenge_28/test_perfect_numbers.py
index 1b6bc3d7c..937cb353d 100644
--- a/solutions/tests/challenge_28/test_perfect_numbers.py
+++ b/solutions/tests/challenge_28/test_perfect_numbers.py
@@ -8,7 +8,7 @@
 
 import unittest
 
-from solutions.challenge_28.perfect_numbers import (  # type: ignore
+from solutions.challenge_28.perfect_numbers import (
     get_divisors,
     is_perfect_number,
     perfect_numbers_in_range,