Reformat code with black

[s-vitaliy]

Scope

Implemented:

• Code reformatted with black

Checklist

• [ ] GitHub issue exists for this change.
• [ ] Benchmarkings are added/updated.
• [ ] Unit tests added/updated and they pass.
• [ ] Pylint 10.0/10.0 without bloating .pylintrc with exceptions.
• [ ] If any implementation is based on a scientific paper, it is referenced.

[github-actions[bot]]

Coverage Report

File	Stmts	Miss	Cover	Missing
anti_clustering
_base.py	49	1	98%	91
_version.py	2	2	0%	15–19
exact_cluster_editing.py	44	1	98%	112
TOTAL	295	4	99%

Tests	Skipped	Failures	Errors	Time
39	0 :zzz:	0 :x:	0 :fire:	4.403s :stopwatch: