package python 2.7.13-2 failed to install/upgrade: pre-dependency problem - not installing python

[Nguyen Minh Hieu]

I don't know

ProblemType: Package
DistroRelease: Ubuntu 17.04
Package: python 2.7.13-2
ProcVersionSignature: Ubuntu 4.10.0-38.42-generic 4.10.17
Uname: Linux 4.10.0-38-generic x86_64
ApportVersion: 2.20.4-0ubuntu4.5
Architecture: amd64
Date: Tue Nov 7 14:04:14 2017
ErrorMessage: pre-dependency problem - not installing python
InstallationDate: Installed on 2017-06-10 (155 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
RelatedPackageVersions:
 dpkg 1.18.24ubuntu1
 apt 1.4.6~17.04.1
SourcePackage: python-defaults
Title: package python 2.7.13-2 failed to install/upgrade: pre-dependency problem - not installing python
UpgradeStatus: Upgraded to zesty on 2017-11-07 (6 days ago)

[Matthias Klose (doko)]

invalid. you have a python installation in /usr/local

raceback (most recent call last):
  File "/usr/local/lib/python2.7/runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/local/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/lib/python2.7/compileall.py", line 16, in <module>
    import struct
  File "/usr/local/lib/python2.7/struct.py", line 1, in <module>
    from _struct import *
ImportError: No module named _struct