Use the list of sources instead of an iterator in update-feeds looping task
This prevents RuntimeError due to dictionary size change that may occur (as a
result of a new source being added) during iteration.
Closes #3155843.
# -*- 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.
"""