rhn-entitlement-report fails with a traceback

Issue

backtrace:
:rhn-entitlement-report:38:printAcrossSatelliteUsage:TypeError: 'NoneType' object is not iterable
:
:Traceback (most recent call last):
:  File "/usr/bin/rhn-entitlement-report", line 100, in <module>
:    main()
:  File "/usr/bin/rhn-entitlement-report", line 21, in main
:    printAcrossSatelliteUsage();
:  File "/usr/bin/rhn-entitlement-report", line 38, in printAcrossSatelliteUsage
:    for item in list:
:TypeError: 'NoneType' object is not iterable
:
:Local variables in innermost frame:
:query: 'SELECT cfo.label,SUM(cfo.max_members) as total,SUM(cfo.current_members) as used,(SELECT (cfo2.max_members) - (cfo2.current_members) FROM rhnChannelFamilyOverview cfo2 WHERE cfo2.label = cfo.label AND cfo2.org_id = 1) as available,SUM(cfo.fve_max_members) as total_flex,SUM(cfo.fve_current_members) as used_flex,(SELECT (cfo2.fve_max_members) - (cfo2.fve_current_members) FROM rhnChannelFamilyOverview cfo2 WHERE cfo2.label = cfo.label AND cfo2.org_id = 1) as available_flex FROM rhnChannelFamilyOverview cfo WHERE cfo.max_members is not null and (cfo.current_members !=0 or cfo.fve_current_members!=0) GROUP BY cfo.label, cfo.name HAVING (SUM(cfo.max_members) is not null) ORDER by cfo.name DESC'
:list: None