config: use super in JsonEncoder instead of explicit parent type

diff --git a/mkosi/config.py b/mkosi/config.py
index c008084b6885039000e4e072ba85f68a8c6a740f..60e84eb4de9f30c81e4d2172f3cfd3559798a503 100644 (file)
--- a/mkosi/config.py
+++ b/mkosi/config.py
@@ -3855,7 +3855,7 @@ class JsonEncoder(json.JSONEncoder):
             return str(o)
         elif isinstance(o, (Args, Config)):
             return o.to_dict()
-        return json.JSONEncoder.default(self, o)
+        return super().default(o)
 
 
 E = TypeVar("E", bound=StrEnum)