Allow for a spatial polygon without spatial_URI

ckanext/odsh/validation.py

@@ -135,7 +135,12 @@ def known_spatial_uri(key, data, errors, context):
     value = _extract_value(data, 'spatial_uri')
 
     if not value:
+        # some harvesters might import a polygon directly...
+        poly = _extract_value(data, 'spatial')
+        if not poly:
             raise toolkit.Invalid('spatial_uri:odsh_spatial_uri_error_label')
+        else:
+            return 
                 
     mapping_file = config.get('ckanext.odsh.spatial.mapping')
     try: