New issue 2920: stat_result is missing st_birthtime (on OSes/FSes where that's a thing) https://bitbucket.org/pypy/pypy/issues/2920/stat_result-is-missing-st_birtht... Julian Berman: E.g., macOS + HFS on CPython: ``` #!terminal ~ ⊙ /usr/bin/python -c 'import os; print os.stat("/usr/bin/python").st_birthtime' Julian@home 1540378051.0 ~ ⊙ pypy -c 'import os; print os.stat("/usr/bin/python").st_birthtime' Julian@home Traceback (most recent call last): File "<module>", line 1, in <module> AttributeError: 'stat_result' object has no attribute 'st_birthtime' ```