mask on the Wildcard field is unnecessary, you should use mask on the 'container' instead

Author: ziirish

flask_restplus/fields.py

@@ -798,9 +798,7 @@ def schema(self):
         schema['additionalProperties'] = self.container.__schema__
         return schema
 
-    def clone(self, mask=None):
+    def clone(self):
         kwargs = self.__dict__.copy()
         model = kwargs.pop('container')
-        if mask:
-            model = mask.apply(model)
         return self.__class__(model, **kwargs)