removes all lines consisting only of spaces

this really bothers me for some reason - nothing technical

InvenTree/users/admin.py

@@ -127,7 +127,7 @@ class RoleGroupAdmin(admin.ModelAdmin):
 
         if rule_set.can_delete:
             permission_level = append_permission_level(permission_level, 'D')
-        
+
         return permission_level
 
     def admin(self, obj):

InvenTree/users/models.py

@@ -185,7 +185,7 @@ class RuleSet(models.Model):
     can_change = models.BooleanField(verbose_name=_('Change'), default=False, help_text=_('Permissions to edit items'))
 
     can_delete = models.BooleanField(verbose_name=_('Delete'), default=False, help_text=_('Permission to delete items'))
-    
+
     @classmethod
     def check_table_permission(cls, user, table, permission):
         """
@@ -373,7 +373,7 @@ def update_group_roles(group, debug=False):
 
     # Add any required permissions to the group
     for perm in permissions_to_add:
-        
+
         # Ignore if permission is already in the group
         if perm in group_permissions:
             continue
@@ -541,7 +541,7 @@ class Owner(models.Model):
                     pass
 
                 return owner
-                
+
         return owner
 
     def get_related_owners(self, include_group=False):
@@ -562,7 +562,7 @@ class Owner(models.Model):
                     Q(owner_id=self.owner.id, owner_type=ContentType.objects.get_for_model(Group).id)
             else:
                 query = Q(owner_id__in=users, owner_type=ContentType.objects.get_for_model(user_model).id)
-            
+
             related_owners = Owner.objects.filter(query)
 
         elif type(self.owner) is user_model:

InvenTree/users/test_migrations.py

@@ -24,7 +24,7 @@ class TestForwardMigrations(MigratorTestCase):
             email='fred@fred.com',
             password='password'
         )
-        
+
         User.objects.create(
             username='brad',
             email='brad@fred.com',

InvenTree/users/tests.py

@@ -17,7 +17,7 @@ class RuleSetModelTest(TestCase):
     def test_ruleset_models(self):
 
         keys = RuleSet.RULESET_MODELS.keys()
-        
+
         # Check if there are any rulesets which do not have models defined
 
         missing = [name for name in RuleSet.RULESET_NAMES if name not in keys]
@@ -88,7 +88,7 @@ class RuleSetModelTest(TestCase):
         extra_models = set()
 
         defined_models = set()
-        
+
         for model in assigned_models:
             defined_models.add(model)
 
@@ -198,7 +198,7 @@ class OwnerModelTest(TestCase):
         self.user.delete()
         user_as_owner = Owner.get_owner(self.user)
         self.assertEqual(user_as_owner, None)
-        
+
         # Delete group and verify owner was deleted too
         self.group.delete()
         group_as_owner = Owner.get_owner(self.group)