From ca048741e782588a49f47c17e8089de7cad5d641 Mon Sep 17 00:00:00 2001
From: Joyce <jycyeo@yahoo.com.sg>
Date: Thu, 9 Sep 2021 17:14:06 +0800
Subject: [PATCH] [mypy] fix type annotations for project euler problem044/sol1

---
 project_euler/problem_044/sol1.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/project_euler/problem_044/sol1.py b/project_euler/problem_044/sol1.py
index d3ae6476d45f..3b75b6a56a8e 100644
--- a/project_euler/problem_044/sol1.py
+++ b/project_euler/problem_044/sol1.py
@@ -42,6 +42,8 @@ def solution(limit: int = 5000) -> int:
             if is_pentagonal(a) and is_pentagonal(b):
                 return b
 
+    return -1
+
 
 if __name__ == "__main__":
     print(f"{solution() = }")