Run auto-correct on app/ and tests/

app/letters/utils.py

@@ -1,20 +1,23 @@
-import boto3
 import io
 import json
 import math
-
-from app.models import KEY_TYPE_TEST, SECOND_CLASS, RESOLVE_POSTAGE_FOR_FILE_NAME, NOTIFICATION_VALIDATION_FAILED
-
 from datetime import datetime, timedelta
 from enum import Enum
 
+import boto3
 from flask import current_app
-
 from notifications_utils.letter_timings import LETTER_PROCESSING_DEADLINE
 from notifications_utils.pdf import pdf_page_count
 from notifications_utils.s3 import s3upload
 from notifications_utils.timezones import convert_utc_to_bst
 
+from app.models import (
+    KEY_TYPE_TEST,
+    NOTIFICATION_VALIDATION_FAILED,
+    RESOLVE_POSTAGE_FOR_FILE_NAME,
+    SECOND_CLASS,
+)
+
 
 class ScanErrorType(Enum):
     ERROR = 1