```Traceback (most recent call last):


 "keras_retinanet/bin/train.py", line 428, in <module>

main()


 "keras_retinanet/bin/train.py", line 366, in main

train_generator, validation_generator = create_generator(args)


 "keras_retinanet/bin/train.py", line 246, in create_generators

if args.val_annotations:
AttributeError: 'Namespace' object has no attribute 'val_annotations'

Traceback (most recent call last):


 "PixivUtil2.py", line 1281, in main


 "PixivUtil2.py", line 989, in main_loop


 "PixivUtil2.py", line 481, in menu_download_from_online_user_bookmark


 "PixivBookmarkHandler.pyc", line 28, in process_bookmark


 "PixivBookmarkHandler.pyc", line 290, in get_bookmarks


 "PixivBookmark.pyc", line 37, in parseBookmark
AttributeError: 'NoneType' object has no attribute 'findAll'
