add cert_expires_at

enrollments-events/app/events/stopgap/patch_course_metadata.py

@@ -1,5 +1,3 @@
-import json
-import sqlite3
 from datetime import timedelta
 
 from aws_lambda_powertools import Logger
@@ -17,8 +15,6 @@ from config import (
     ENROLLMENT_TABLE,
 )
 
-sqlite3.register_converter('json', json.loads)
-
 logger = Logger(__name__)
 enrollment_layer = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
 course_layer = DynamoDBPersistenceLayer(COURSE_TABLE, dynamodb_client)