old_contents: from armstrong import hatband
  from hatband_support import models
  from django.forms.widgets import TextInput
  
  
  class ArticleAdmin(hatband.ModelAdmin):
  
      class Meta:
          model = models.TestArticle
  
  
  class ArticleOverrideAdmin(hatband.ModelAdmin):
  
      formfield_overrides = {
          models.TextField: {'widget': TextInput},
      }
  
      class Meta:
          model = models.TestArticle
  
  
  class ArticleTabbedInline(hatband.TabbedInline):
  
      class Meta:
          model = models.TestArticle
  
  
  class ArticleStackedInline(hatband.StackedInline):
  
      class Meta:
          model = models.TestArticle
  
  
  class CategoryAdminTabbed(hatband.ModelAdmin):
  
      inlines = ArticleTabbedInline
  
      class Meta:
          model = models.TestCategory
  
  
  class CategoryAdminStacked(hatband.ModelAdmin):
  
      inlines = ArticleStackedInline
  
      class Meta:
          model = models.TestCategory
  
new_contents: from armstrong import hatband
  from . import models
  from django.db.models import TextField
  from django.forms.widgets import TextInput
  
  
  class ArticleAdmin(hatband.ModelAdmin):
  
      class Meta:
          model = models.TestArticle
  
  
  class ArticleOverrideAdmin(hatband.ModelAdmin):
  
      formfield_overrides = {
          TextField: {'widget': TextInput},
      }
  
      class Meta:
          model = models.TestArticle
  
  
  class ArticleTabularInline(hatband.TabularInline):
  
      class Meta:
          model = models.TestArticle
  
  
  class ArticleStackedInline(hatband.StackedInline):
  
      class Meta:
          model = models.TestArticle
  
  
  class CategoryAdminTabbed(hatband.ModelAdmin):
  
      inlines = ArticleTabularInline
  
      class Meta:
          model = models.TestCategory
  
  
  class CategoryAdminStacked(hatband.ModelAdmin):
  
      inlines = ArticleStackedInline
  
      class Meta:
          model = models.TestCategory
  
subject: Fix these class names and imports so it works