Fix bug of removing layer inside thread

backend/core/utils.py

@@ -192,7 +192,6 @@ def process_feature(feature, aoi_id, foreign_key_id, feedback=False):
     tags = properties["tags"]
     geometry = feature["geometry"]
     if feedback:
-        FeedbackLabel.objects.filter(aoi__id=aoi_id).delete()
         if FeedbackLabel.objects.filter(
             osm_id=int(osm_id), feedback_aoi__training=foreign_key_id
         ).exists():
@@ -210,7 +209,6 @@ def process_feature(feature, aoi_id, foreign_key_id, feedback=False):
         )
 
     else:
-        Label.objects.filter(aoi__id=aoi_id).delete()
         if Label.objects.filter(
             osm_id=int(osm_id), aoi__dataset=foreign_key_id
         ).exists():
@@ -247,7 +245,10 @@ def process_geojson(geojson_file_path, aoi_id, feedback=False):
     max_workers = (
         (os.cpu_count() - 1) if os.cpu_count() != 1 else 1
     )  # leave one cpu free always
-
+    if feedback:
+        FeedbackLabel.objects.filter(aoi__id=aoi_id).delete()
+    else : 
+        Label.objects.filter(aoi__id=aoi_id).delete()
     # max_workers = os.cpu_count()  # get total cpu count available on the
 
     with open(geojson_file_path) as f: