Fixed #25974 -- Switched GIS docs to 4 spaces indentation.

docs/ref/contrib/gis/index.txt

@@ -3,31 +3,31 @@ GeoDjango
 =========
 
 .. module:: django.contrib.gis
-   :synopsis: Geographic Information System (GIS) extensions for Django
+    :synopsis: Geographic Information System (GIS) extensions for Django
 
 GeoDjango intends to be a world-class geographic Web framework. Its goal is to
 make it as easy as possible to build GIS Web applications and harness the power
 of spatially enabled data.
 
 .. toctree::
-   :maxdepth: 2
+    :maxdepth: 2
 
-   tutorial
-   install/index
-   model-api
-   db-api
-   forms-api
-   geoquerysets
-   functions
-   measure
-   geos
-   gdal
-   geoip
-   geoip2
-   utils
-   commands
-   admin
-   feeds
-   sitemaps
-   testing
-   deployment
+    tutorial
+    install/index
+    model-api
+    db-api
+    forms-api
+    geoquerysets
+    functions
+    measure
+    geos
+    gdal
+    geoip
+    geoip2
+    utils
+    commands
+    admin
+    feeds
+    sitemaps
+    testing
+    deployment