<p>当我运行<code>python ./manage.py sql grading</code>时,我的django站点会出现:</p>
<pre><code>Error: App with label grading could not be found. Are you sure you INSTALLED_APPS setting is correct?
</code></pre>
<p>我有应用程序的分级与\uu init_uu.py和所有东西,我安装的应用程序是:</p>
^{pr2}$
<p>为什么这个没用?在</p>