def transfer_user(from_session, to_session):
    if auth.BACKEND_SESSION_KEY in from_session and \
       auth.SESSION_KEY in from_session and \
       auth.HASH_SESSION_KEY in from_session:
        to_session[auth.BACKEND_SESSION_KEY] = from_session[auth.BACKEND_SESSION_KEY]
        to_session[auth.SESSION_KEY] = from_session[auth.SESSION_KEY]
        to_session[auth.HASH_SESSION_KEY] = from_session[auth.HASH_SESSION_KEY]
Destroy the toolkit-specific control that represents the pane.
dataset/ETHPy150Open andrewgodwin/channels/channels/auth.py/transfer_user--crossover with--dataset/ETHPy150Open enthought/pyface/pyface/tasks/traits_dock_pane.py/TraitsDockPane.destroy