What does this implement/fix? Explain your changes.

Fix incorrect dereferencing wrapper object in tp_repr function, which causes the program to crash.

Does this close any currently open issues?

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Any other comments?

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Checklist

Check all those that are applicable and complete.

• Make sure to include one or more tests for your change
• If an enhancement PR, please create docs and at best an example
• [x ] Add yourself to AUTHORS
• [x ] Updated the CHANGELOG