Small fixes (#13190)

* remove iregular import pattern

* remove dead code

* remove unneeded import

src/backend/InvenTree/InvenTree/validators.py

@@ -123,21 +123,5 @@ def invalid_site_url_hint(site_url: str) -> str:
     return ''
 
 
-def validate_purchase_order_reference(value):
-    """Validate the 'reference' field of a PurchaseOrder."""
-    from order.models import PurchaseOrder
-
-    # If we get to here, run the "default" validation routine
-    PurchaseOrder.validate_reference_field(value)
-
-
-def validate_sales_order_reference(value):
-    """Validate the 'reference' field of a SalesOrder."""
-    from order.models import SalesOrder
-
-    # If we get to here, run the "default" validation routine
-    SalesOrder.validate_reference_field(value)
-
-
 def validate_tree_name(value):
     """Placeholder for legacy function used in migrations."""

src/backend/InvenTree/stock/models.py

@@ -45,17 +45,12 @@ from generic.states import StatusCodeMixin
 from generic.states.fields import InvenTreeCustomStatusModelField
 from InvenTree.fields import InvenTreeModelMoneyField, InvenTreeURLField
 from InvenTree.helpers_db import bulk_create_and_fetch
-from InvenTree.status_codes import (
-    SalesOrderStatusGroups,
-    StockHistoryCode,
-    StockStatus,
-    StockStatusGroups,
-)
-from order.status_codes import TransferOrderStatusGroups
+from order.status_codes import SalesOrderStatusGroups, TransferOrderStatusGroups
 from part import models as PartModels
 from plugin.events import trigger_event
 from stock.events import StockEvents
 from stock.generators import generate_batch_code
+from stock.status_codes import StockHistoryCode, StockStatus, StockStatusGroups
 from users.models import Owner
 
 logger = structlog.get_logger('inventree')

src/backend/InvenTree/users/api.py

@@ -39,7 +39,6 @@ from InvenTree.mixins import (
     UpdateAPI,
 )
 from InvenTree.schema import exclude_from_schema
-from InvenTree.settings import FRONTEND_URL_BASE
 from users.models import (
     ApiToken,
     Owner,
@@ -584,7 +583,7 @@ class LoginRedirect(RedirectView):
 
     def get_redirect_url(self, *args, **kwargs):
         """Return the URL to redirect to."""
-        return f'/{FRONTEND_URL_BASE}/logged-in/'
+        return InvenTree.helpers.pui_url('logged-in/')
 
 
 class UserProfileDetail(RetrieveUpdateAPI):