Hello @j-i-l! Thanks for opening this PR. We checked the lines you've touched for [PEP 8](https://www.python.org/dev/peps/pep-0008) issues, and found:

[j-i-l]

Hello @j-i-l! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file endemic/nw_spread/Spreading.py:

Line 63:80: E501 line too long (82 > 79 characters)

Originally posted by @pep8speaks in #6 (comment)