[predicates] keep making `yes` predicate importable from cubicweb (closes #2790319)
The `yes` predicate was moved out in CubicWeb 3.15 but it should have
remained importable from the cubicweb.predicates module, for bw compat
reasons and also because logilab.common.registry is an implementation
detail.
sync_schema_props_perms('EmailAddress')
for source in rql('CWSource X WHERE X type "pyrorql"').entities():
sconfig = source.dictconfig
nsid = sconfig.pop('pyro-ns-id', config.appid)
nshost = sconfig.pop('pyro-ns-host', '')
nsgroup = sconfig.pop('pyro-ns-group', ':cubicweb')
if nsgroup:
nsgroup += '.'
source.cw_set(url=u'pyro://%s/%s%s' % (nshost, nsgroup, nsid))
source.update_config(skip_unknown=True, **sconfig)
commit()