Reformat template.

biscuit/apps/untis/templates/untis/untis_import.html

 {# -*- engine:django -*- #}
+
 {% extends "core/base.html" %}
 {% load bootstrap4 font_awesome i18n static %}
 
@@ -7,25 +8,25 @@
 {% block page_title %}Import Untis data{% endblock %}
 
 {% block content %}
- <div class="jumbotron">
-  <p class="lead">
-   {% blocktrans %}
-    Untis provides a function for exporting all data as an XML file.
-   {% endblocktrans %}
-  </p>
-  <div class="alert alert-danger" role="alert">
-   {% fa 'exclamation-triangle' %}
-   {% blocktrans %}
-    All lesson data will be overwritten by the import. Teachers, rooms,
-    classes and periods will be updated in place.
-   {% endblocktrans %}
+  <div class="jumbotron">
+    <p class="lead">
+      {% blocktrans %}
+        Untis provides a function for exporting all data as an XML file.
+      {% endblocktrans %}
+    </p>
+    <div class="alert alert-danger" role="alert">
+      {% fa 'exclamation-triangle' %}
+      {% blocktrans %}
+        All lesson data will be overwritten by the import. Teachers, rooms,
+        classes and periods will be updated in place.
+      {% endblocktrans %}
+    </div>
   </div>
- </div>
 
- <form method="post" enctype="multipart/form-data">
-  {% csrf_token %}
-  {% bootstrap_form upload_form %}
+  <form method="post" enctype="multipart/form-data">
+    {% csrf_token %}
+    {% bootstrap_form upload_form %}
 
-  <input type="submit" value="Process" />
- </form>
+    <input type="submit" value="Process" />
+  </form>
 {% endblock %}