Vladimir Matveev <desco...@gmail.com> added the comment:
somewhat shortened repro that fails with the same error on master: ``` import pandas import numpy now = pandas.Timestamp.now() arr = numpy.array([ ['a', now] for i in range(0, 3)]) arr.sum(0) ``` ---------- nosy: +v2m _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue34688> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
