Removed the accidental dependency on dgu
--- a/ckanext/example/controller_plugin.py
+++ b/ckanext/example/controller_plugin.py
@@ -15,7 +15,6 @@
from ckan.lib.field_types import DateType, DateConvertError
from ckan.authz import Authorizer
from ckan.lib.navl.dictization_functions import Invalid
-from ckanext.dgu.forms.package_gov_fields import GeoCoverageType
from ckan.lib.navl.dictization_functions import validate, missing
import ckan.logic.validators as val
import ckan.logic.schema as default_schema