diff --git a/puzzles/day10.py b/puzzles/day10.py
index 7df9b1f..85dc4af 100644
--- a/puzzles/day10.py
+++ b/puzzles/day10.py
@@ -12,11 +12,10 @@ from typing import Dict, List, Tuple
 from statistics import median
 
 
-
 class Subsystem:
     nav_data = None
-    open_chars = ['(', '[', '{', '<']
-    close_chars = [')', ']', '}', '>']
+    open_chars = ["(", "[", "{", "<"]
+    close_chars = [")", "]", "}", ">"]
 
     def __init__(self, inputs: List[str]) -> None:
         self.nav_data = inputs
@@ -42,7 +41,7 @@ class Subsystem:
                     corrupted_chars.append(char)
                     break
 
-                del opens[-1]   # Clear the open bracket
+                del opens[-1]  # Clear the open bracket
 
             if corrupted:
                 chunks["corrupted"].append(line)
@@ -73,7 +72,6 @@ class Subsystem:
         return median(total_scores)
 
 
-
 def part1(inputs: List[int]) -> int:
     s = Subsystem(inputs)
     return s.score_corrupted()