fix: Encode attrs in tree serializer (#1023)

tefra · Apr 23, 2024 · a2af584 · a2af584
1 parent fcf7f33
commit a2af584
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/xsdata/formats/dataclass/serializers/tree/mixins.py b/xsdata/formats/dataclass/serializers/tree/mixins.py
@@ -50,7 +50,7 @@ def build(self, obj: T, builder: TreeBuilder):
                 pending_attrs = {}
             elif event == XmlWriterEvent.ATTR:
                 key, value = element
-                pending_attrs[key] = value
+                pending_attrs[key] = self.encode_data(value)
             elif event == EventType.END:
                 builder.end(*element)
             elif event == XmlWriterEvent.DATA: