解决pip install keras报错问题

yolo程序里报错

Using TensorFlow backend.

Traceback (most recent call last):

File “train.py”, line 9, in

from generator import BatchGenerator

File “/home/zxy/GraduationDesign/hoop-detect/keras-yolo3-master/generator.py”, line 4, in

from keras.utils import Sequence

ImportError: cannot import name ‘Sequence’