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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_formset(self, request, obj=None, **kwargs):
 """ Load Synchronizer schema to display specific fields in admin """

        if obj is not None:
            try:
                # this is enough to load the new schema
                obj.external
            except LayerExternal.DoesNotExist:
                pass
        return super(LayerExternalInline, self).get_formset(request, obj=None, **kwargs)