Juju charm helpers does this to make it handle transient errors better.
http://bazaar.launchpad.net/~charm-helpers/charm-helpers/devel/view/head:/charmhelpers/fetch/__init__.py#L405
Juju charm helpers does this to make it handle transient errors better.
http:// bazaar. launchpad. net/~charm- helpers/ charm-helpers/ devel/view/ head:/charmhelp ers/fetch/ __init_ _.py#L405