adopted same decorator pattern as used in the trades app

bookshare/core/admin.py

@@ -3,8 +3,8 @@ from django.contrib import admin
 # imports from your apps
 from .models import Student, Course
 
+@admin.register(Student)
 class StudentAdmin(admin.ModelAdmin):
     list_display = ('__str__', 'created')
 
-admin.site.register(Student, StudentAdmin)
 admin.site.register(Course)