init validation_schema during the initializer

plq · plq · commit a85bdd807c9c · 2018-04-25T21:44:33.000+03:00
diff --git a/spyne/protocol/xml.py b/spyne/protocol/xml.py
@@ -305,6 +305,7 @@ def __init__(self, app=None, validator=None,
         super(XmlDocument, self).__init__(app, validator,
                                                 binary_encoding=binary_encoding)
 
+        self.validation_schema = None
         self.xml_declaration = xml_declaration
         self.cleanup_namespaces = cleanup_namespaces
         self.replace_null_with_default = replace_null_with_default
