pastylegs/django-gmap-admin — pull request #3 by amites (2012-02-09 04:32:37+00:00)
Title: Simple patch to allow deletion through admin if blank

When attempting to delete a model with an empty value for the Geo field it produces an attribute error
'unicode' object has no attribute 'lat'

wrapped the return for get_prep_value in a try / except to prevent the error