new_contents: from django.contrib import admin
  
  from timed.projects.admin import ProjectAdmin
  from timed.projects.models import Project
  from timed_adfinis.redmine.models import RedmineProject
  
  admin.site.unregister(Project)
  
  
  class RedmineProjectInline(admin.StackedInline):
      model = RedmineProject
  
  
  @admin.register(Project)
  class ProjectAdmin(ProjectAdmin):
      """Adfinis specific project including Redmine issue configuration."""
  
      inlines = ProjectAdmin.inlines + [RedmineProjectInline, ]
  
subject: Add RedmineProject as inline of ProjectAdmin