class ScheduleAdmin(admin.ModelAdmin):
list_display = ['email', 'started_at', 'payed_at', 'expires_at', 'amount', 'monthly', 'yearly', 'is_cancelled']
- list_search = ['email']
+ search_fields = ['email']
list_filter = ['is_cancelled']
date_hierarchy = 'started_at'
raw_id_fields = ['membership']