Merge pull request '# Bugfix parcel updating' (#79) from master into Docker

Reviewed-on: SGD-Nord/konova#79

konova/utils/wfs/spatial.py

@@ -180,11 +180,14 @@ class ParcelWFSFetcher(AbstractWFSFetcher):
 
             members = collection.get(
                 "wfs:member",
-                [],
+                None,
             )
+            if members is not None:
                 if len(members) > 1:
+                    # extend feature list with found list of new feature members
                     features += members
                 else:
+                    # convert single found feature member into list and extent feature list
                     features += [members]
 
             if collection.get("@next", None) is not None: