🔧 Update mypy and pylint

[codecov[bot]]

Codecov Report

Base: 90.74% // Head: 90.74% // No change to project coverage :thumbsup:

Coverage data is based on head (db176ee) compared to base (e652528). Patch coverage: 75.00% of modified lines in pull request are covered.

:exclamation: Current head db176ee differs from pull request most recent head 29439e7. Consider uploading reports for the commit 29439e7 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #256 +/- ## ======================================= Coverage 90.74% 90.74% ======================================= Files 21 21 Lines 2968 2968 ======================================= Hits 2693 2693 Misses 275 275 ``` | [Impacted Files](https://codecov.io/gh/aiidateam/plumpy/pull/256?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidateam) | Coverage Δ | | |---|---|---| | [src/plumpy/ports.py](https://codecov.io/gh/aiidateam/plumpy/pull/256/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidateam#diff-c3JjL3BsdW1weS9wb3J0cy5weQ==) | `93.38% <ø> (ø)` | | | [src/plumpy/utils.py](https://codecov.io/gh/aiidateam/plumpy/pull/256/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidateam#diff-c3JjL3BsdW1weS91dGlscy5weQ==) | `81.51% <0.00%> (ø)` | | | [src/plumpy/base/state\_machine.py](https://codecov.io/gh/aiidateam/plumpy/pull/256/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidateam#diff-c3JjL3BsdW1weS9iYXNlL3N0YXRlX21hY2hpbmUucHk=) | `86.13% <100.00%> (ø)` | | | [src/plumpy/communications.py](https://codecov.io/gh/aiidateam/plumpy/pull/256/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidateam#diff-c3JjL3BsdW1weS9jb21tdW5pY2F0aW9ucy5weQ==) | `84.53% <100.00%> (ø)` | | | [src/plumpy/mixins.py](https://codecov.io/gh/aiidateam/plumpy/pull/256/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidateam#diff-c3JjL3BsdW1weS9taXhpbnMucHk=) | `90.91% <100.00%> (ø)` | | | [src/plumpy/persistence.py](https://codecov.io/gh/aiidateam/plumpy/pull/256/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidateam#diff-c3JjL3BsdW1weS9wZXJzaXN0ZW5jZS5weQ==) | `93.93% <100.00%> (ø)` | | | [src/plumpy/processes.py](https://codecov.io/gh/aiidateam/plumpy/pull/256/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidateam#diff-c3JjL3BsdW1weS9wcm9jZXNzZXMucHk=) | `92.46% <100.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidateam). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=aiidateam)

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