[forms/inline] fix #703911: add new link disappears if inline box removed. Since we've the information, we must specify the target type else we get random cardinality on ambiguous relations

"""pre 3.6 bw compat"""
# pylint: disable-msg=W0614,W0401
from warnings import warn
warn('moved to cubicweb.mail', DeprecationWarning, stacklevel=2)
from cubicweb.mail import *