Ceph » ceph-volume

A multiline string became a tuple due to superfluous comma.

('foo',
 'bar').format() # wrong!

instead of

('foo'
 'bar').format()

File "/usr/sbin/ceph-volume", line 9, in <module>
    load_entry_point('ceph-volume==1.0.0', 'console_scripts', 'ceph-volume')()
  File "/usr/lib/python2.7/dist-packages/ceph_volume/main.py", line 39, in __init__
    self.main(self.argv)
  File "/usr/lib/python2.7/dist-packages/ceph_volume/decorators.py", line 59, in newfunc
    return f(*a, **kw)
  File "/usr/lib/python2.7/dist-packages/ceph_volume/main.py", line 150, in main
    terminal.dispatch(self.mapper, subcommand_args)
  File "/usr/lib/python2.7/dist-packages/ceph_volume/terminal.py", line 194, in dispatch
    instance.main()
  File "/usr/lib/python2.7/dist-packages/ceph_volume/devices/simple/main.py", line 33, in main
    terminal.dispatch(self.mapper, self.argv)
  File "/usr/lib/python2.7/dist-packages/ceph_volume/terminal.py", line 194, in dispatch
    instance.main()
  File "/usr/lib/python2.7/dist-packages/ceph_volume/devices/simple/scan.py", line 381, in main
    self.scan(args)
  File "/usr/lib/python2.7/dist-packages/ceph_volume/decorators.py", line 16, in is_root
    return func(*a, **kw)
  File "/usr/lib/python2.7/dist-packages/ceph_volume/devices/simple/scan.py", line 250, in scan
    osd_metadata = self.scan_encrypted(osd_path)
  File "/usr/lib/python2.7/dist-packages/ceph_volume/devices/simple/scan.py", line 199, in scan_encrypted
    osd_metadata = self.scan_directory(directory)
  File "/usr/lib/python2.7/dist-packages/ceph_volume/devices/simple/scan.py", line 107, in scan_directory
    'suffix').format(file_))
AttributeError: 'tuple' object has no attribute 'format'