chore: fixes

Author: farhan

xmodule/video_block/video_handlers.py

@@ -20,7 +20,6 @@
 
 from xmodule.exceptions import NotFoundError
 from xmodule.fields import RelativeTime
-from openedx.core.djangoapps.content_libraries import api as lib_api
 
 from .transcripts_utils import (
     Transcript,
@@ -626,7 +625,7 @@ def _studio_transcript_delete(self, request):
                 video_config_service = self.runtime.service(self, 'video_config')
                 if video_config_service:
                     video_config_service.delete_library_static_asset(
-                        self.usage_key, 
+                        self.usage_key,
                         f"static/{transcript_name}"
                     )
                 self._save_transcript_field()