fix flake8 style

[maximyurchuk]

Changelog entry

style checks became blocking in #7899

Changelog category

• Not for changelog (changelog entry is not required)

Additional information

...

[github-actions]

⚪ 2024-08-16 22:19:39 UTC Pre-commit check for 3ded358 has started.
⚪ 2024-08-16 22:22:59 UTC Check linux-x86_64-relwithdebinfo is running...
🟢 2024-08-16 22:25:13 UTC Tests successful.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
18	18	0	0	0	0

🟢 2024-08-16 22:25:20 UTC Build successful.
🟢 2024-08-16 22:25:34 UTC ydbd size 8.1 GiB changed* by +18.7 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 43292f3	merge: 3ded358	diff	diff %
ydbd size	8 735 220 360 Bytes	8 735 239 504 Bytes	+18.7 KiB	+0.000%
ydbd stripped size	475 369 864 Bytes	475 371 144 Bytes	+1.2 KiB	+0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2024-08-16 22:20:26 UTC Pre-commit check for 3ded358 has started.
⚪ 2024-08-16 22:24:03 UTC Check linux-x86_64-release-clang14 is running...
🟢 2024-08-16 22:26:03 UTC Build successful.

[github-actions]

⚪ 2024-08-16 22:29:40 UTC Pre-commit check for 3ded358 has started.
⚪ 2024-08-16 22:32:46 UTC Check linux-x86_64-release-asan is running...
🟢 2024-08-16 22:33:05 UTC Tests successful.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
2	2	0	0	0	0

🟢 2024-08-16 22:33:11 UTC Build successful.

[github-actions]

⚪ 2024-08-17 10:55:40 UTC Pre-commit check for c20dbc5 has started.
⚪ 2024-08-17 10:58:01 UTC Check linux-x86_64-release-clang14 is running...
🟢 2024-08-17 11:00:02 UTC Build successful.

[github-actions]

⚪ 2024-08-17 10:55:44 UTC Pre-commit check for c20dbc5 has started.
⚪ 2024-08-17 10:57:58 UTC Check linux-x86_64-release-asan is running...
🟢 2024-08-17 10:58:17 UTC Tests successful.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
2	2	0	0	0	0

🟢 2024-08-17 10:58:24 UTC Build successful.

[github-actions]

⚪ 2024-08-17 10:56:04 UTC Pre-commit check for c20dbc5 has started.
⚪ 2024-08-17 10:59:07 UTC Check linux-x86_64-relwithdebinfo is running...
🟢 2024-08-17 11:01:27 UTC Tests successful.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
18	18	0	0	0	0

🟢 2024-08-17 11:01:34 UTC Build successful.
🟢 2024-08-17 11:01:48 UTC ydbd size 8.1 GiB changed* by -16 Bytes, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 43e2061	merge: c20dbc5	diff	diff %
ydbd size	8 735 355 040 Bytes	8 735 355 024 Bytes	-16 Bytes	-0.000%
ydbd stripped size	475 375 432 Bytes	475 375 432 Bytes	0 Bytes	0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}