views.py

class UserObjectsMixin: 
    
    def get_queryset(self):
        qs = super().get_queryset()
        return qs.filter(usuario=self.request.user)
    

class CoisasListView(LoginRequiredMixin, UserObjectsMixon, ListView):
    login_url = ''
    redirect_field_name = 'redirect_to'
    model = Coisa
    context_object_name = "coisas"