new_contents: """
  Admin for the instance app
  """
  
  #pylint: disable=no-init
  
  
  # Imports #####################################################################
  
  from django.contrib import admin
  from .models import OpenStackServer, OpenEdXInstance
  
  
  # ModelAdmins #################################################################
  
  class OpenStackServerAdmin(admin.ModelAdmin):
      list_display = ('openstack_id', 'status', 'instance', 'created', 'modified')
  
  class OpenEdXInstanceAdmin(admin.ModelAdmin):
      list_display = ('sub_domain', 'base_domain', 'name', 'created', 'modified')
  
  admin.site.register(OpenStackServer, OpenStackServerAdmin)
  admin.site.register(OpenEdXInstance, OpenEdXInstanceAdmin)
  
subject: Add admin view for the instance models