remove warning; fix version number

[codecov[bot]]

Codecov Report

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

Project coverage is 75.78%. Comparing base (c392ea8) to head (0049524).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #565 +/- ## ========================================== - Coverage 75.79% 75.78% -0.01% ========================================== Files 38 38 Lines 4032 4031 -1 ========================================== - Hits 3056 3055 -1 Misses 976 976 ```

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