mypy clean

[kiosk.git] / trigger.py

diff --git a/trigger.py b/trigger.py
index f2302da6f8ac39215dafedd9fd8f1d3926119d0c..842230bf184f1edc784d6a1581ffe905b5772d94 100644 (file)
--- a/trigger.py
+++ b/trigger.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 from abc import ABC, abstractmethod
-from typing import List, Tuple
+from typing import List, Tuple, Optional
 
 
 class trigger(ABC):
@@ -12,5 +12,5 @@ class trigger(ABC):
     PRIORITY_LOW = 0
 
     @abstractmethod
-    def get_triggered_page_list(self) -> List[Tuple[str, int]]:
+    def get_triggered_page_list(self) -> Optional[List[Tuple[str, int]]]:
         pass