from copy import deepcopy
from django.contrib import admin
from mezzanine.blog.admin import BlogPostAdmin
from mezzanine.blog.models import BlogPost

blog_fieldsets = deepcopy(BlogPostAdmin.fieldsets)
blog_fieldsets[0][1]["fields"].insert(0, "featured_post")

class MyBlogPostAdmin(BlogPostAdmin):
    fieldsets = blog_fieldsets

admin.site.unregister(BlogPost)
admin.site.register(BlogPost, MyBlogPostAdmin)