# xxx used to be [SfaRecord]
returns = [Parameter(dict, "registry record")]
- def call(self, xrns, creds, options={}):
+ def call(self, xrns, creds, options=None):
+ if options is None: options={}
# use details=False by default, only when explicitly specified do we want
# to mess with the testbed details
if 'details' in options: details=options['details']