Externalise script for map.

ticdesk_org/static/ticdesk_org/map.js

+function map_init(map, options) {
+ $.getJSON(geojson, function (data) {
+  L.geoJson(data, {
+   onEachFeature: function (feature, layer) {
+    layer.bindPopup(feature.properties.popupContent);
+   }
+  }).addTo(map);
+ });
+}

ticdesk_org/templates/ticdesk_org/map.html

 {% extends "ticdesk_org/base.html" %}
-{% load bootstrap3 i18n leaflet_tags %}
+{% load bootstrap3 i18n leaflet_tags staticfiles %}
 
 {% block person_content %}
  <h2>{{ Karte }}</h2>
 
  {% leaflet_map "map" callback="map_init" %}
 
- <script type="text/javascript">
-  function map_init(map, options) {
-   var dataurl = '{{ geojson }}';
-   $.getJSON(dataurl, function (data) {
-    L.geoJson(data, {
-     onEachFeature: function (feature, layer) {
-      layer.bindPopup(feature.properties.popupContent);
-     }
-    }).addTo(map);
-   });
-  }
- </script>
+ <script type="text/javascript">var geojson = '{{ geojson }}';</script>
+ <script type="text/javascript" src="{% static 'ticdesk_org/map.js' %}"></script>
 {% endblock %}