Move import into function to avoid GDAL as a global dependency

Author: Martin Pauly

haystack/fields.py

@@ -4,7 +4,6 @@
 import re
 from inspect import ismethod
 
-from django.contrib.gis.geos import Point
 from django.template import loader
 from django.utils import datetime_safe, six
 
@@ -260,6 +259,7 @@ def prepare(self, obj):
         return "%s,%s" % (pnt_lat, pnt_lng)
 
     def convert(self, value):
+        from django.contrib.gis.geos import Point
         from haystack.utils.geo import ensure_point
 
         if value is None: