#138 WIP Improvements

* adds geom back writing to form field in case of invalid geometry, so the invalid geometry will be shown again
* updates tests
* fixes bug where race condition of celery workers could lead to duplicates in parcels (needs migration)

konova/models/geometry.py

@@ -6,7 +6,7 @@ Created on: 15.11.21
 
 """
 from django.contrib.gis.db.models import MultiPolygonField
-from django.db import models
+from django.db import models, transaction
 from django.utils import timezone
 
 from konova.models import BaseResource, UuidModel
@@ -96,6 +96,7 @@ class Geometry(BaseResource):
             objs += set_objs
         return objs
 
+    @transaction.atomic
     def update_parcels(self):
         """ Updates underlying parcel information