diff --git a/src/my_project/interviews/top_150_questions_round_17/palindrome_number.py b/src/my_project/interviews/top_150_questions_round_17/palindrome_number.py
index 80952ebd..83bb9f89 100644
--- a/src/my_project/interviews/top_150_questions_round_17/palindrome_number.py
+++ b/src/my_project/interviews/top_150_questions_round_17/palindrome_number.py
@@ -1,6 +1,7 @@
 from typing import List, Union, Collection, Mapping, Optional
 from abc import ABC, abstractmethod
 
+
 class Solution:
     def isPalindrome(self, x: int) -> bool:
 
diff --git a/tests/test_150_questions_round_17/test_palindrome_number_round_17.py b/tests/test_150_questions_round_17/test_palindrome_number_round_17.py
index 6f2ad6db..102cb6b4 100644
--- a/tests/test_150_questions_round_17/test_palindrome_number_round_17.py
+++ b/tests/test_150_questions_round_17/test_palindrome_number_round_17.py
@@ -2,6 +2,7 @@
 from src.my_project.interviews.top_150_questions_round_17\
 .palindrome_number import Solution
 
+
 class PalindromeNumberTestCase(unittest.TestCase):
 
     def test_is_palindrome_number(self):