Michael Foord added the comment: This is a deliberate design decision of mock. Storing references works better for the more general case, with the trade-off being that it doesn't work so well for mutable arguments.
See the note in the docs with a workaround: https://docs.python.org/3/library/unittest.mock-examples.html#coping-with-mutable-arguments ---------- resolution: -> not a bug status: open -> closed _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue28318> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
