# coding=utf-8
import os

import datetime
import django
import sys

sys.path.append("/var/www/projects/lms/")
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "lms.settings")
django.setup()
from courses.models import Lesson

for lesson in Lesson.objects.exclude(video_id=None):
    lesson.video = ''
    lesson.save()