posix_getlogin():  Be more cautious about interpreting a NULL from                    getlogin() -- it is not clear that a NULL is always                    an error.
posix_getlogin():  Be more cautious about interpreting a NULL from
                   getlogin() -- it is not clear that a NULL is always
                   an error.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator