module object has no attribute process_time

报错:

tic = time.process_time()
'module' object has no attribute 'process_time'

查看 python 官方文档:

python2:
https://docs.python.org/2/library/time.html#module-time

python3:

https://docs.python.org/3/library/time.html#time.process_time

time.process_time 函数 python3 才有