Missing configurations(ImportError: cannot import name 'configuration')

[ashishgupta2598]

Traceback (most recent call last):
File "fsns_demo.py", line 19, in
from chainer import configuration
ImportError: cannot import name 'configuration'

When I checked inside chainer their Is no configurations. I have installed the requirements from requirements.txt.

[Bartzi]

could you provide the command you used to run the script?