ubuntu@ip-172-31-16-20:~$ sudo apt-get install bind9
Reading package lists... Done
Building dependency tree
Reading state information... Done
bind9 is already the newest version (1:9.10.3.dfsg.P4-8ubuntu1.8).
The following packages were automatically installed and are no longer required:
  linux-headers-4.4.0-71 linux-headers-4.4.0-71-generic linux-headers-4.4.0-72 linux-headers-4.4.0-72-generic
  linux-image-4.4.0-71-generic linux-image-4.4.0-72-generic
Use 'sudo apt autoremove' to remove them.
The following packages will be upgraded:
  python-samba
1 upgraded, 0 newly installed, 0 to remove and 146 not upgraded.
47 not fully installed or removed.
Need to get 0 B/1,059 kB of archives.
After this operation, 0 B of additional disk space will be used.
(Reading database ... 174338 files and directories currently installed.)
Preparing to unpack .../python-samba_2%3a4.3.11+dfsg-0ubuntu0.16.04.11_amd64.deb ...
  File "/usr/bin/pyclean", line 63
    except (IOError, OSError), e:
                             ^
SyntaxError: invalid syntax
dpkg: warning: subprocess old pre-removal script returned error exit status 1
dpkg: trying script from the new package instead ...
  File "/usr/bin/pyclean", line 63
    except (IOError, OSError), e:
                             ^
SyntaxError: invalid syntax
dpkg: error processing archive /var/cache/apt/archives/python-samba_2%3a4.3.11+dfsg-0ubuntu0.16.04.11_amd64.deb (--unpack):
 subprocess new pre-removal script returned error exit status 1
Traceback (most recent call last):
  File "/usr/bin/pycompile", line 35, in <module>
    from debpython.version import SUPPORTED, debsorted, vrepr, \
  File "/usr/share/python/debpython/version.py", line 24, in <module>
    from ConfigParser import SafeConfigParser
ImportError: No module named 'ConfigParser'
dpkg: error while cleaning up:
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 /var/cache/apt/archives/python-samba_2%3a4.3.11+dfsg-0ubuntu0.16.04.11_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
ubuntu@ip-172-31-16-20:~$