AttributeError: 'generator' object has no attribute 'next'

[yuyijie1995]

Epoch 1 : Loss:0.0: 0%| | 0/1978 [00:00<?, ?it/s]Traceback (most recent call last):
File "/home/wrc/下载/pycharm-2018.2.5/helpers/pydev/pydevd.py", line 1664, in
main()
File "/home/wrc/下载/pycharm-2018.2.5/helpers/pydev/pydevd.py", line 1658, in main
globals = debugger.run(setup['file'], None, None, is_module)
File "/home/wrc/下载/pycharm-2018.2.5/helpers/pydev/pydevd.py", line 1068, in run
pydev_imports.execfile(file, globals, locals) # execute the script
File "/home/wrc/下载/pycharm-2018.2.5/helpers/pydev/_pydev_imps/_pydev_execfile.py", line 18, in execfile
exec(compile(contents+"\n", file, 'exec'), glob, loc)
File "/home/wrc/yuyijie/3d_detec/3D-Deepbox/main.py", line 282, in
train(args.image, args.box2d, args.label)
File "/home/wrc/yuyijie/3d_detec/3D-Deepbox/main.py", line 168, in train
train_img, train_label = train_gen.next()
AttributeError: 'generator' object has no attribute 'next'

I inputed --mode train --gpu 0 --image /home/wrc/yuyijie/3d_detec/3D-Deepbox/training/image_2/ --label /home/wrc/yuyijie/3d_detec/3D-Deepbox/training/label_2/ --box2d /home/wrc/yuyijie/3d_detec/3D-Deepbox/training/label_2/ as parameters but this error happened,what should I do

[Zijian He]

use python2 or next(train_gen)

[yuyijie1995]

thanks a lot