old_contents: """Admin pages for remotes."""
  from django.contrib import admin
  
  from .models import Source, SourceConfig
  
  
  class SourceAdmin(admin.ModelAdmin):
      """Basic admin for sources."""
  
      pass
  
  
  class SourceConfigAdmin(admin.ModelAdmin):
      """Basic admin for sourceconfig."""
  
      pass
  
  admin.site.register(Source, SourceAdmin)
  admin.site.register(SourceConfig, SourceConfigAdmin)
  
new_contents: """Admin pages for remotes."""
  from django.contrib import admin
  
  from .models import Source, SourceConfig
  
  
  class SourceAdmin(admin.ModelAdmin):
      """Basic admin for sources."""
  
      pass
  
  
  class SourceConfigAdmin(admin.ModelAdmin):
      """Basic admin for sourceconfig."""
  
      pass
  
  
  admin.site.register(Source, SourceAdmin)
  admin.site.register(SourceConfig, SourceConfigAdmin)
  
subject: fix codestyle