fix #501

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (d4bea93) 95.30% compared to head (6faf68d) 95.20%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #502 +/- ## ========================================== - Coverage 95.30% 95.20% -0.11% ========================================== Files 34 34 Lines 1918 1919 +1 ========================================== - Hits 1828 1827 -1 - Misses 90 92 +2 ``` | [Flag](https://app.codecov.io/gh/sigma67/ytmusicapi/pull/502/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=sigma67) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/sigma67/ytmusicapi/pull/502/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=sigma67) | `95.20% <100.00%> (-0.11%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=sigma67#carryforward-flags-in-the-pull-request-comment) to find out more.

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