1 files changed, 2 insertions, 1 deletions

diff --git a/day2/__init__.py b/day2/__init__.py
index 882bcad..20e573e 100644
--- a/day2/__init__.py
+++ b/day2/__init__.py
@@ -7,7 +7,8 @@ from aoc import BaseAssignment, I, T
 
 
 class Assignment(BaseAssignment, ABC):
-    def parse_item(self, item: str) -> Iterator[range]:
+    @classmethod
+    def parse_item(cls, item: str) -> Iterator[range]:
         for r in item.split(","):
             [start, end] = r.split("-")
             yield range(int(start), int(end) + 1)