From e27f8151e8c262d337e9a9eabd5fc1b8c9d217f5 Mon Sep 17 00:00:00 2001
From: David Ormsbee <dave@axim.org>
Date: Sun, 7 Jan 2024 10:27:52 -0500
Subject: [PATCH] fix: linter fixes

---
 openedx_learning/core/collections/admin.py          | 2 --
 openedx_learning/core/collections/api.py            | 7 ++++---
 tests/openedx_learning/core/collections/test_api.py | 2 --
 3 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/openedx_learning/core/collections/admin.py b/openedx_learning/core/collections/admin.py
index 40b7f7b3..e2762490 100644
--- a/openedx_learning/core/collections/admin.py
+++ b/openedx_learning/core/collections/admin.py
@@ -8,12 +8,10 @@
 
 from openedx_learning.lib.admin_utils import ReadOnlyModelAdmin
 
-from ..publishing.models import PublishableEntity
 from .models import (
     AddEntity,
     Collection,
     ChangeSet,
-    CollectionPublishableEntity,
     UpdateEntities,
     RemoveEntity
 )
diff --git a/openedx_learning/core/collections/api.py b/openedx_learning/core/collections/api.py
index b607464c..85635eec 100644
--- a/openedx_learning/core/collections/api.py
+++ b/openedx_learning/core/collections/api.py
@@ -5,15 +5,14 @@
 
 from datetime import datetime, timezone
 
-from django.db.models import F, QuerySet
+from django.db.models import QuerySet
 from django.db.transaction import atomic
 
 from ..publishing.models import PublishableEntity
 from .models import (
     Collection, CollectionPublishableEntity, ChangeSet,
-    AddEntity, RemoveEntity, UpdateEntities,
+    AddEntity, UpdateEntities,
 )
-from ..publishing.signals import PUBLISHED_PRE_COMMIT
 
 
 def create_collection(
@@ -163,3 +162,5 @@ def remove_from_collection(
             version_num=next_version_num,
             created=created,
         )
+
+    return change_set
diff --git a/tests/openedx_learning/core/collections/test_api.py b/tests/openedx_learning/core/collections/test_api.py
index 66ba8416..c2a018b3 100644
--- a/tests/openedx_learning/core/collections/test_api.py
+++ b/tests/openedx_learning/core/collections/test_api.py
@@ -2,9 +2,7 @@
 Tests of the Collection app's python API
 """
 from datetime import datetime, timezone
-from uuid import UUID
 
-from django.core.exceptions import ValidationError
 
 from openedx_learning.core.collections import api as collections_api
 from openedx_learning.core.publishing import api as publishing_api