old_contents: # -*- coding: utf-8 -*-
  from __future__ import absolute_import, unicode_literals
  
  from django.core.urlresolvers import reverse
  from django.views.generic import DetailView, ListView, RedirectView, UpdateView
  
  from braces.views import LoginRequiredMixin
  
  from .models import User
  
  
  class UserDetailView(LoginRequiredMixin, DetailView):
      model = User
      # These next two lines tell the view to index lookups by username
      slug_field = "username"
      slug_url_kwarg = "username"
  
  
  class UserRedirectView(LoginRequiredMixin, RedirectView):
      permanent = False
  
      def get_redirect_url(self):
          return reverse("users:detail",
                         kwargs={"username": self.request.user.username})
  
  
  class UserUpdateView(LoginRequiredMixin, UpdateView):
  
      fields = ('name', 'avatar')
  
      # we already imported User in the view code above, remember?
      model = User
  
      def form_valid(self, form, *args, **kwargs):
          print(form.instance.avatar)
          return super().form_valid(form, *args, **kwargs)
  
      # send the user back to their own page after a successful update
      def get_success_url(self):
          return reverse("users:detail",
                         kwargs={"username": self.request.user.username})
  
      def get_object(self):
          # Only get the User record for the user making the request
          return User.objects.get(username=self.request.user.username)
  
  
  class UserListView(LoginRequiredMixin, ListView):
      model = User
      # These next two lines tell the view to index lookups by username
      slug_field = "username"
      slug_url_kwarg = "username"
  
new_contents: # -*- coding: utf-8 -*-
  from __future__ import absolute_import, unicode_literals
  
  from django.core.urlresolvers import reverse
  from django.views.generic import DetailView, ListView, RedirectView, UpdateView
  
  from braces.views import LoginRequiredMixin
  
  from .models import User
  
  
  class UserDetailView(LoginRequiredMixin, DetailView):
      model = User
      # These next two lines tell the view to index lookups by username
      slug_field = "username"
      slug_url_kwarg = "username"
  
  
  class UserRedirectView(LoginRequiredMixin, RedirectView):
      permanent = False
  
      def get_redirect_url(self):
          return reverse("users:detail",
                         kwargs={"username": self.request.user.username})
  
  
  class UserUpdateView(LoginRequiredMixin, UpdateView):
  
      fields = ('name', 'avatar')
  
      # we already imported User in the view code above, remember?
      model = User
  
      # send the user back to their own page after a successful update
      def get_success_url(self):
          return reverse("users:detail",
                         kwargs={"username": self.request.user.username})
  
      def get_object(self):
          # Only get the User record for the user making the request
          return User.objects.get(username=self.request.user.username)
  
  
  class UserListView(LoginRequiredMixin, ListView):
      model = User
      # These next two lines tell the view to index lookups by username
      slug_field = "username"
      slug_url_kwarg = "username"
  
subject: remove bare form_valid from UserUpdateView