[2225_statistics] add @staticmethod annotation to inc_notifyoutv4() and inc_notifyoutv6()

diff --git a/src/lib/python/isc/statistics/counter.py b/src/lib/python/isc/statistics/counter.py
index 2ad9a0e011206a4b29ba512db8e0d8b15c2d5e5d..22b8e4c95c021f1216adc3c0f5251c3adfde445f 100644 (file)
--- a/src/lib/python/isc/statistics/counter.py
+++ b/src/lib/python/isc/statistics/counter.py
@@ -160,9 +160,11 @@ class Counter():
         return cls._COUNTER
 
     # These method are dummies for isc.notify.notify_out.
+    @staticmethod
     def inc_notifyoutv4(arg):
         """An empty method to be disclosed"""
         pass
+    @staticmethod
     def inc_notifyoutv6(arg):
         """An empty method to be disclosed"""
         pass