Built from scratch on OS X 10.11.6, using ./configure and then make. I suggest that https://doc.sagemath.org/html/en/installation/source.html is incorrect in suggesting that Py3 is necessary to *build* Sage.
Testing that Sage starts... [2020-04-23 12:33:27] SageMath version 9.1.rc1, Release Date: 2020-04-22 Yes, Sage starts. real 250m34.371s user 483m50.050s sys 96m20.518s Sage build/upgrade complete! $ python --version Python 2.7.10 -- You received this message because you are subscribed to the Google Groups "sage-release" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-release+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-release/7a7f3e96-c4a2-48b3-829f-5f7d7032e974%40googlegroups.com.
