No need to explictitly set None as default (#7373)

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Yuekui 2021-03-16 06:29:13 -07:00 committed by GitHub
parent 9c9ffb18f4
commit a40bce50cd
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@ -75,7 +75,7 @@ We can override `.get_queryset()` to deal with URLs such as `http://example.com/
by filtering against a `username` query parameter in the URL.
"""
queryset = Purchase.objects.all()
username = self.request.query_params.get('username', None)
username = self.request.query_params.get('username')
if username is not None:
queryset = queryset.filter(purchaser__username=username)
return queryset