Blueprint error

gistfile1.txt

0:35 ~/test_workspace/blueprint $ blueprint create warrior -S                                                                                                                                                                                                                 
# [blueprint] searching for Python packages                                                                                                                                                                                                                                    
# [blueprint] searching for configuration files                                                                                                                                                                                                                                
Traceback (most recent call last):                                                                                                                                                                                                                                             
  File "/usr/bin/blueprint-create", line 53, in <module>                                                                                                                                                                                                                       
    b = blueprint.Blueprint(name=name, create=True)                                                                                                                                                                                                                            
  File "/usr/lib/python2.6/dist-packages/blueprint/__init__.py", line 66, in __init__                                                                                                                                                                                          
    getattr(backend, funcname)(self)                                                                                                                                                                                                                                           
  File "/usr/lib/python2.6/dist-packages/blueprint/backend/files.py", line 153, in files                                                                                                                                                                                       
    package = _dpkg_query_S(pathname)                                                                                                                                                                                                                                          
  File "/usr/lib/python2.6/dist-packages/blueprint/backend/files.py", line 296, in _dpkg_query_S                                                                                                                                                                               
    package, _ = stdout.split(':')                                                                                                                                                                                                                                             
ValueError: too many values to unpack