[2.1.1](https://github.com/sinkaroid/jigoku/compare/2.1.8-alpha...2.2.1-alpha)
Merged
- fix: NoneType should not continue its flow [`1`](https://github.com/sinkaroid/jigoku/pull/1)
Commits
- ci: fix redundant old pages test [`8bcc63b`](https://github.com/sinkaroid/jigoku/commit/8bcc63b7f5a63452288ad7777815156171787e2c)
- docs: proper tests availability [`7a62e90`](https://github.com/sinkaroid/jigoku/commit/7a62e906294c9d837f0336fe4f32c30f4b2689fa)
- chore(release): 2.2.1-alpha, NoneType break [`8defaf0`](https://github.com/sinkaroid/jigoku/commit/8defaf0f64d52598b00eb9a60f032778d8f385a8)
- deps: bump latest requests [`9f11870`](https://github.com/sinkaroid/jigoku/commit/9f11870b870357b07f29b7f5131bf93d60863232)