[nautilus-python/wip/jtojnar/nautilus-4] fixup! Implement NautilusPropertiesModelProvider support

[Jan Tojnar <jtojnar src gnome org>]

commit 2cf87fd4f3204f849a2d89313d35d6ed126007e3
Author: Jan Tojnar <jtojnar gmail com>
Date:   Wed Aug 10 23:15:06 2022 +0200

    fixup! Implement NautilusPropertiesModelProvider support

 examples/md5sum-properties-model.py | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/examples/md5sum-properties-model.py b/examples/md5sum-properties-model.py
index 9cffe43..eb4b9b4 100644
--- a/examples/md5sum-properties-model.py
+++ b/examples/md5sum-properties-model.py
@@ -5,6 +5,9 @@ from gi.repository import Nautilus, GObject
 from typing import List
 
 class MD5SumPropertiesModel(GObject.GObject, Nautilus.PropertiesModelProvider):
+    def __init__(self):
+        pass
+
     def get_models(self, files: List[Nautilus.FileInfo]) -> List[Nautilus.PropertiesModel]:
         if len(files) != 1:
             return []