refactor: remove blank lines after docstring (#5736)

There shouldn't be any blank lines after the function docstring.
Remove the blank lines to fix this issue.

Co-authored-by: deepsource-autofix[bot] <62050782+deepsource-autofix[bot]@users.noreply.github.com>

InvenTree/label/api.py

@@ -41,7 +41,6 @@ class LabelFilterMixin:
 
     def get_items(self):
         """Return a list of database objects from query parameter"""
-
         ids = []
 
         # Construct a list of possible query parameter value options
@@ -73,7 +72,6 @@ class LabelListView(LabelFilterMixin, ListAPI):
         As each 'label' instance may optionally define its own filters,
         the resulting queryset is the 'union' of the two.
         """
-
         queryset = super().filter_queryset(queryset)
 
         items = self.get_items()

InvenTree/label/models.py

@@ -399,7 +399,6 @@ class BuildLineLabel(LabelTemplate):
 
     def get_context_data(self, request):
         """Generate context data for each provided BuildLine object."""
-
         build_line = self.object_to_print
 
         return {

InvenTree/label/serializers.py

@@ -13,7 +13,6 @@ class LabelSerializerBase(InvenTreeModelSerializer):
     @staticmethod
     def label_fields():
         """Generic serializer fields for a label template"""
-
         return [
             'pk',
             'name',

InvenTree/label/tasks.py

@@ -11,6 +11,5 @@ from label.models import LabelOutput
 @scheduled_task(ScheduledTask.DAILY)
 def cleanup_old_label_outputs():
     """Remove old label outputs from the database"""
-
     # Remove any label outputs which are older than 30 days
     LabelOutput.objects.filter(created__lte=timezone.now() - timedelta(days=5)).delete()

InvenTree/label/tests.py

@@ -94,7 +94,6 @@ class LabelTest(InvenTreeAPITestCase):
 
     def test_print_part_label(self):
         """Actually 'print' a label, and ensure that the correct information is contained."""
-
         label_data = """
         {% load barcode %}
         {% load report %}