old_contents: from django.contrib import admin
  
  from .models import Wine, Grape, Winery
  
  class GrapeInline(admin.TabularInline):
      model = Grape
      extra = 0
  
  
  @admin.register(Wine)
  class WineAdmin(admin.ModelAdmin):
      list_display = ["__str__", "year", "in_cellar",]
      fieldsets = (
          ('Bottle', {
              'fields': ('bottle_text', 'year', 'wine_type', 'winery',),
              }),
          ('Purchase', {
              'fields': ('date_purchased', 'price', 'store', 'importer'),
              }),
          ('Consumption', {
              'fields': ('date_consumed', 'liked_it', 'notes',),
              })
      )
  
      inlines = [
          GrapeInline,
      ]
  
  
  admin.site.register(Winery)
  
new_contents: from django.contrib import admin
  
  from .models import Wine, Grape, Winery
  
  class GrapeInline(admin.TabularInline):
      model = Grape
      extra = 0
  
  
  @admin.register(Wine)
  class WineAdmin(admin.ModelAdmin):
      list_display = ["__str__", "year", "wine_type", "in_cellar",]
      fieldsets = (
          ('Bottle', {
              'fields': ('bottle_text', 'year', 'wine_type', 'winery',),
              }),
          ('Purchase', {
              'fields': ('date_purchased', 'price', 'store', 'importer'),
              }),
          ('Consumption', {
              'fields': ('date_consumed', 'liked_it', 'notes',),
              })
      )
  
      inlines = [
          GrapeInline,
      ]
  
  
  admin.site.register(Winery)
  
subject: Add wine type to the list.