Fixed #26753 -- Made GDAL a required dependency for contrib.gis

Thanks Tim Graham for the review.

1 files changed, 1 insertions, 9 deletions

diff --git a/django/contrib/gis/forms/widgets.py b/django/contrib/gis/forms/widgets.py
index 01d2f7e53f..efa76a0b2d 100644
--- a/django/contrib/gis/forms/widgets.py
+++ b/django/contrib/gis/forms/widgets.py
@@ -91,6 +91,7 @@ class OSMWidget(BaseGeometryWidget):
     template_name = 'gis/openlayers-osm.html'
     default_lon = 5
     default_lat = 47
+    map_srid = 3857
 
     class Media:
         js = (
@@ -104,12 +105,3 @@ class OSMWidget(BaseGeometryWidget):
             self.attrs[key] = getattr(self, key)
         if attrs:
             self.attrs.update(attrs)
-
-    @property
-    def map_srid(self):
-        # Use the official spherical mercator projection SRID when GDAL is
-        # available; otherwise, fallback to 900913.
-        if gdal.HAS_GDAL:
-            return 3857
-        else:
-            return 900913