Fix mypy errors

django_rq/tests/test_views.py

@@ -412,7 +412,7 @@ def test_action_stop_jobs(self):
         self.assertEqual(len(canceled_job_registry), len(job_ids))
 
         for job_id in job_ids:
-            self.assertIn(job_id, canceled_job_registry)
+            self.assertTrue(job_id in canceled_job_registry)
 
     # def test_scheduler_jobs(self):
     #     # Override testing RQ_QUEUES

django_rq/utils.py

@@ -141,9 +141,7 @@ def get_jobs(
     1. If job data is not present in Redis, discard the result
     2. If `registry` argument is supplied, delete empty jobs from registry
     """
-    jobs = cast(
-        List[Optional[Job]], Job.fetch_many(job_ids, connection=queue.connection, serializer=queue.serializer)
-    )
+    jobs = Job.fetch_many(job_ids, connection=queue.connection, serializer=queue.serializer)
     valid_jobs = []
     for i, job in enumerate(jobs):
         if job is None:

django_rq/views.py

@@ -267,8 +267,9 @@ def worker_details(request, queue_index, key):
     queue_index = int(queue_index)
     queue = get_queue_by_index(queue_index)
     worker = Worker.find_by_key(key, connection=queue.connection)
+    assert worker
     # Convert microseconds to milliseconds
-    worker.total_working_time = worker.total_working_time / 1000  # type: ignore[assignment]
+    worker.total_working_time = worker.total_working_time / 1000
 
     queue_names = ', '.join(worker.queue_names())