add inlines to admin panel

class TransactionTabular(admin.TabularInline):
    extra = 0
    show_change_link = True
    model = Transaction
    exclude = ('created_at', 'updated_at', 'created_by', 'updated_by',)

@admin.register(Invoice)
class InvoiceAdmin(admin.ModelAdmin):
    list_display = ('id', 'amount', 'is_paid', 'booking', 'updated_at', 'rk_uid')
    inlines = [
        TransactionTabular
    ]