fix line_too_long lint error

Author: I529010

matrix/transitive_closure.py

@@ -23,7 +23,10 @@ def transitive_closure(graph: list[list[int]]) -> list[list[int]]:
     [0, 0, 0, 1]
     """
     n = len(graph)
-    ans = [[graph[i][j] for j in range(n)] for i in range(n)]
+    ans = [
+        [graph[i][j] for j in range(n)]
+        for i in range(n)
+    ]
 
     # Transtive closure of (i, i) will always be 1
     for i in range(n):