:twisted_rightwards_arrows: fixed pypi issue

[MotacillaAlba]

Fixed the problem that after installing tactics2d raises the error Module tactics2d not found

[codecov[bot]]

Codecov Report

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

Project coverage is 85.76%. Comparing base (d3f395b) to head (6fa6127).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #92 +/- ## ========================================== + Coverage 84.87% 85.76% +0.89% ========================================== Files 70 70 Lines 4244 4201 -43 ========================================== + Hits 3602 3603 +1 + Misses 642 598 -44 ```

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