The deleted document restore API endpoint doesn't need a serializer.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/documents/api_views.py

@@ -79,10 +79,11 @@ class APIDeletedDocumentRestoreView(generics.GenericAPIView):
     mayan_object_permissions = {
         'POST': (permission_document_restore,)
     }
-
     permission_classes = (MayanPermission,)
     queryset = Document.trash.all()
-    serializer_class = DeletedDocumentSerializer
+
+    def get_serializer_class(self):
+        return None
 
     def post(self, *args, **kwargs):
         self.get_object().restore()

mayan/apps/documents/serializers.py

@@ -162,9 +162,6 @@ class DeletedDocumentSerializer(serializers.HyperlinkedModelSerializer):
         view_name='rest_api:trasheddocument-restore'
     )
 
-    def get_document_type_label(self, instance):
-        return instance.document_type.label
-
     class Meta:
         extra_kwargs = {
             'document_type': {'view_name': 'rest_api:documenttype-detail'},
@@ -181,6 +178,9 @@ class DeletedDocumentSerializer(serializers.HyperlinkedModelSerializer):
             'language'
         )
 
+    def get_document_type_label(self, instance):
+        return instance.document_type.label
+
 
 class DocumentSerializer(serializers.HyperlinkedModelSerializer):
     document_type_label = serializers.SerializerMethodField()