[pre-commit.ci] auto fixes from pre-commit.com hooks

pre-commit-ci[bot] · pre-commit-ci[bot] · commit 1e9553e71759 · 2025-10-24T10:00:12.000Z
for more information, see https://pre-commit.ci
diff --git a/maths/series/catalan_numbers.py b/maths/series/catalan_numbers.py
@@ -12,6 +12,7 @@
 import doctest
 import math
 
+
 def catalan_numbers(count: int) -> list[int]:
     """
     Generates the first 'count' Catalan numbers (C_0, C_1, ..., C_{count-1}).
