django - Django管理员: 'bool' object has no attribute 'startswith'

我正在使用django_smart_select软件包。我在尝试使用链式选择选项的模型中收到以下错误。

AttributeError at /admin/tags/tag/add/
'bool' object has no attribute 'startswith'
Request Method: GET
Request URL:    http://127.0.0.1:8000/admin/tags/tag/add/
Django Version: 1.11.4
Exception Type: AttributeError
Exception Value:    
'bool' object has no attribute 'startswith'

Error during template rendering

In template C:\Users\gautammandewalker\Envs\django01\lib\site-
packages\django\contrib\admin\templates\admin\base.html, error at line 3
'bool' object has no attribute 'startswith'
1   {% load i18n static %}<!DOCTYPE html>
2   {% get_current_language as LANGUAGE_CODE %}{% get_current_language_bidi 
as LANGUAGE_BIDI %}
3   <html lang="{{ LANGUAGE_CODE|default:"en-us" }}" {% if LANGUAGE_BIDI 
%}dir="rtl"{% endif %}>
4   <head>
5   <title>{% block title %}{% endblock %}</title>
6   <link rel="stylesheet" type="text/css" href="{% block stylesheet %}{% 
static "admin/css/base.css" %}{% endblock %}" />
7   {% block extrastyle %}{% endblock %}
8   {% if LANGUAGE_BIDI %}<link rel="stylesheet" type="text/css" href="{% 
block stylesheet_rtl %}{% static "admin/css/rtl.css" %}{% endblock %}" />{% 
endif %}
9   {% block extrahead %}{% endblock %}
10  {% block blockbots %}<meta name="robots" content="NONE,NOARCHIVE" />{% 
 endblock %}
11  </head>
12  {% load i18n %}

最佳答案

在settings.py中使用: