mail: force SMTPException to bytes before wrapping in error.Abort Pytype wasn't complaining about this for some reason, but PyCharm was and we already handle another instance of this exception the same way in this function. Differential Revision: https://phab.mercurial-scm.org/D10473

edition = "2018"
max_width = 79
wrap_comments = true
error_on_line_overflow = true