Pyarrow doesn't install with pip on Python 3.9+ **Environment**: macOS Catalina 10.15.7 **Reporter**: [Shyamal Chandra](https://issues.apache.org/jira/browse/ARROW-10516) #### Related issues: - [[Python] Add support for Python 3.9 except macOS wheel and Windows wheel](https://github.com/apache/arrow/issues/26225) (is duplicated by) <sub>**Note**: *This issue was originally created as [ARROW-10516](https://issues.apache.org/jira/browse/ARROW-10516). Please see the [migration documentation](https://github.com/apache/arrow/issues/14542) for further details.*</sub>