# apt-get dist-upgrade
Reading package lists... Done
Building dependency tree... Done
Calculating upgrade... Done
The following packages have been kept back:
  checkinstall gkrellm
0 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
2 not fully installed or removed.
Need to get 0B of archives.
After unpacking 0B of additional disk space will be used.
Do you want to continue [Y/n]? y
Setting up python-imaging (1.1.5-8) ...
Traceback (most recent call last):
  File "/usr/bin/pycentral", line 1314, in ?
    main()
  File "/usr/bin/pycentral", line 1308, in main
    rv = action.run(global_options)
  File "/usr/bin/pycentral", line 858, in run
    pkg.read_version_info()
  File "/usr/bin/pycentral", line 551, in read_version_info
    raise PyCentralError, "package has no field Python-Version"
__main__.PyCentralError: package has no field Python-Version
dpkg: error processing python-imaging (--configure):
 subprocess post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of python-imaging-tk:
 python-imaging-tk depends on python-imaging (= 1.1.5-8); however:
  Package python-imaging is not configured yet.
dpkg: error processing python-imaging-tk (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 python-imaging
 python-imaging-tk
E: Sub-process /usr/bin/dpkg returned an error code (1)

#apt-get update && install python-imaging python-imaging-tk