Duplicated block names

Reports duplicated block names in Django templates.

Example:

<!DOCTYPE html>
<html lang="en">
<head>
    <link rel="stylesheet" href="style.css">
    <title>{% block title %}My amazing site{% endblock %}</title>
</head>

<body>
    <div id="sidebar">
        {% block title %}
        <ul>
            <li><a href="/">Home</a></li>
            <li><a href="/blog/">Blog</a></li>
        </ul>
        {% endblock %}
    </div>

    <div id="content">
        {% block content %}{% endblock %}
    </div>
</body>
</html>

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

DuplicatedBlockNamesInspection

Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | Django

Inspection ID: DuplicatedBlockNamesInspection

Suppressing Inspection

You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:

//noinspection DuplicatedBlockNamesInspection

More detailed instructions as well as other ways and options that you have can be found in the product documentation:

PyCharm 2025.2

Inspection Details
By default bundled with:	PyCharm 2025.2,
Can be installed with plugin:	Django, 252.26662.0

Last modified: 18 September 2025