old_contents: from django.contrib import admin
  from .models import Stop, Line
  
  class PersonToRollingPersonInline(admin.TabularInline):
      model = RollingPerson
      extra = 0
      fieldsets = (
          (
              None,
              {
                  'fields': ('project', 'start_date', 'end_date', 'windows', 'ios', 'android', 'front', 'back', 'ux', 'qa', 'pm', 'consulting', 'na', 'seniority')
              }
          ),
      )
  
  class PersonAdmin(admin.ModelAdmin):
      list_display = ("name", "tribe", "ext", "skills", "days_per_week", "utz_target")
      inlines = (PersonToRollingPersonInline,)
  
  class StopAdmin(admin.ModelAdmin):
      list_display = ("description", "stop_number")
      inlines = (,)
  
  admin.site.register(Stop, StopAdmin)
  
new_contents: from django.contrib import admin
  from .models import Stop, Line
  
  class LineAdminInline(admin.TabularInline):
      model = Line
      extra = 0
      fieldsets = (
          (
              None,
              {
                  'fields': ('line_number',)
              }
          ),
      )
  
  class StopAdmin(admin.ModelAdmin):
      list_display = ("description", "stop_number")
      inlines = (LineAdminInline,)
  
  admin.site.register(Stop, StopAdmin)
  
subject: Fix admin UI