[python2.6] don't add a name property on Thread
in Python2.6 the threading.Thread class has a name
attribute (used to be __name). The old code would
trigger a infinite recursion.
"""pre 3.6 bw compat"""# pylint: disable-msg=W0614,W0401fromwarningsimportwarnwarn('moved to cubicweb.mixins',DeprecationWarning,stacklevel=2)fromcubicweb.mixinsimport*