Merged in [19965] from rjsparks@nostrum.com:

    Remove unused imports.
 - Legacy-Id: 19966
Note: SVN reference [19965] has been migrated to Git commit 70cd714

Author: rjsparks

ietf/submit/management/commands/purge_yang_checks.py

@@ -3,7 +3,6 @@
 from tqdm import tqdm
 
 from django.core.management.base import BaseCommand
-from django.db import migrations
 
 from ietf.submit.models import Submission, SubmissionCheck
 

ietf/utils/management/commands/run_yang_model_checks.py

@@ -11,7 +11,7 @@
 import debug                            # pyflakes:ignore
 
 from ietf.doc.models import Document, State, DocAlias
-from ietf.submit.models import Submission, SubmissionCheck
+from ietf.submit.models import Submission
 from ietf.submit.checkers import DraftYangChecker