[views] fix ProcessInformationView: SESSION_MANAGER can be None (closes #5753280)
eg. with pyramid.
(grafted from 6a07c2dc3d85f4de0cf48221607e02c4473e11e4)
# -*- coding: utf-8 -*-
# copyright %(year)s %(author)s, all rights reserved.
# contact %(author-web-site)s -- mailto:%(author-email)s
#
%(long-license)s
"""%(distname)s precreate script, executed at instance creation time or when
the cube is added to an existing instance, before the schema is serialized.
This is typically to create groups referenced by the cube'schema.
"""