From f7ba4bc74d420a7920f27bc97f0a3a889da00a95 Mon Sep 17 00:00:00 2001
From: Peter van 't Zand <petervtzand@gmail.com>
Date: Wed, 15 Jul 2015 14:06:03 +0200
Subject: [PATCH] the function should be a class method instead of instance
 method because it doesn't perform an action on the instance

---
 src/croniter/croniter.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/croniter/croniter.py b/src/croniter/croniter.py
index 758df18..b24d17e 100644
--- a/src/croniter/croniter.py
+++ b/src/croniter/croniter.py
@@ -167,7 +167,8 @@ class croniter(object):
 
         return result
 
-    def _timedelta_to_seconds(self, td):
+    @classmethod
+    def _timedelta_to_seconds(cls, td):
         """
         Converts a 'datetime.timedelta' object `td` into seconds contained in
         the duration