检测 CONSTANCE_CONFIG_FIELDSETS
(用于配置 Django Constance 的常量)中缺少的键。
示例:
CONSTANCE_CONFIG = {
'SITE_NAME': ('My Title', 'Website title'),
'SITE_DESCRIPTION': ('', 'Website description'),
}
CONSTANCE_CONFIG_FIELDSETS = {
'General Options': ('SITE_NAME'),
}