Skips some specific steps when importing data

- We need to prevent certain operations from running when we are importing data
- This is to prevent unique database constraints from being violated

- Do not register plugins during data import
- Do not launch notification events

InvenTree/part/tasks.py

@@ -13,6 +13,7 @@ from common.models import NotificationEntry
 
 import InvenTree.helpers
 import InvenTree.tasks
+from InvenTree.ready import isImportingData
 
 import part.models
 
@@ -24,6 +25,10 @@ def notify_low_stock(part: part.models.Part):
     Notify users who have starred a part when its stock quantity falls below the minimum threshold
     """
 
+    # Do not notify if we are importing data
+    if isImportingData():
+        return
+
     # Check if we have notified recently...
     delta = timedelta(days=1)