package libpython2.7-minimal (not installed) failed to install/upgrade: trying to overwrite shared '/etc/python2.7/sitecustomize.py', which is different from other instances of package libpython2.7-minimal:amd64

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(Reading database ... 266615 files and directories currently installed.)
Preparing to unpack .../libpython2.7-minimal_2.7.6-8_amd64.deb ...
Unpacking libpython2.7-minimal:amd64 (2.7.6-8) ...
dpkg: error processing archive /var/cache/apt/archives/libpython2.7-minimal_2.7.6-8_amd64.deb (--unpack):
 trying to overwrite shared '/etc/python2.7/sitecustomize.py', which is different from other instances of package libpython2.7-minimal:amd64
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Selecting previously unselected package libpython2.7-stdlib:amd64.
Preparing to unpack .../libpython2.7-stdlib_2.7.6-8_amd64.deb ...
Unpacking libpython2.7-stdlib:amd64 (2.7.6-8) ...
Errors were encountered while processing:
 /var/cache/apt/archives/libpython2.7-minimal_2.7.6-8_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libpython2.7-minimal (not installed)
ProcVersionSignature: Ubuntu 4.4.0-63.84-generic 4.4.44
Uname: Linux 4.4.0-63-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia
ApportVersion: 2.20.1-0ubuntu2.5
AptOrdering:
 libpython2.7-minimal: Install
 libpython2.7-stdlib: Install
 libpython2.7-minimal: Configure
 libpython2.7-stdlib: Configure
 NULL: ConfigurePending
Architecture: amd64
Date: Tue Feb 21 16:46:52 2017
DpkgTerminalLog:
 Preparing to unpack .../libpython2.7-minimal_2.7.11-7ubuntu1_amd64.deb ...
 Unpacking libpython2.7-minimal:amd64 (2.7.11-7ubuntu1) ...
 dpkg: error processing archive /var/cache/apt/archives/libpython2.7-minimal_2.7.11-7ubuntu1_amd64.deb (--unpack):
  trying to overwrite shared '/etc/python2.7/sitecustomize.py', which is different from other instances of package libpython2.7-minimal:amd64
DuplicateSignature:
 package:libpython2.7-minimal:(not installed)
 Unpacking libpython2.7-minimal:amd64 (2.7.11-7ubuntu1) ...
 dpkg: error processing archive /var/cache/apt/archives/libpython2.7-minimal_2.7.11-7ubuntu1_amd64.deb (--unpack):
  trying to overwrite shared '/etc/python2.7/sitecustomize.py', which is different from other instances of package libpython2.7-minimal:amd64
ErrorMessage: trying to overwrite shared '/etc/python2.7/sitecustomize.py', which is different from other instances of package libpython2.7-minimal:amd64
InstallationDate: Installed on 2016-09-13 (161 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.19
SourcePackage: python2.7
Title: package libpython2.7-minimal (not installed) failed to install/upgrade: trying to overwrite shared '/etc/python2.7/sitecustomize.py', which is different from other instances of package libpython2.7-minimal:amd64
UpgradeStatus: No upgrade log present (probably fresh install)