<filename>smapp/admin.py
from django.contrib import admin
from .models import Post_Comments, Post_Likes, Posts, Categories, Messages

# Register your models here.
admin.site.register(Post_Comments)
admin.site.register(Post_Likes)
admin.site.register(Posts)
admin.site.register(Categories)
admin.site.register(Messages)


<filename>smapp/admin.py
from django.contrib import admin
from .models import Post_Comments, Post_Likes, Posts, Categories, Messages

# Register your models here.
admin.site.register(Post_Comments)
admin.site.register(Post_Likes)
admin.site.register(Posts)
admin.site.register(Categories)
admin.site.register(Messages)


# Register your models here.