package requirements in spring1819_assignment3 seems too old

[ViggoC]

The package in requirements.txt of spring1819_assignment3 seems too old for python 3.7.

My environment is Ubuntu 16.04, Python 3.7.0, and I got message like this when I run pip install -r requirements.txt:

ERROR: Package 'idna-ssl' requires a different Python: 3.7.0 not in '<3.7.0'

And I couldn't install other package like numpy==1.13.3 either. Is that my problem? The version of numpy in requirements.txt files of assignment1 and assignment2 is 1.16.2. It works for me.