glpk module import fails

[Ian Turner]

$ python
Python 2.7.12 (default, Jul 1 2016, 15:12:24)
[GCC 5.4.0 20160609] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import glpk
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python2.7/dist-packages/glpk/__init__.py", line 26, in <module>
    from glpk_parser import *
  File "/usr/lib/python2.7/dist-packages/glpk/glpk_parser.py", line 352, in <module>
    yacc.yacc(write_tables=0, debug=0)
  File "/usr/lib/python2.7/dist-packages/ply/yacc.py", line 3264, in yacc
    read_signature = lr.read_table(tabmodule)
  File "/usr/lib/python2.7/dist-packages/ply/yacc.py", line 1967, in read_table
    if parsetab._tabversion != __tabversion__:
AttributeError: 'module' object has no attribute '_tabversion'

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: python-glpk 0.4.52-1.1
ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19
Uname: Linux 4.4.0-38-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Sun Oct 2 10:23:57 2016
InstallationDate: Installed on 2012-10-07 (1456 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120822.4)
ProcEnviron:
 LANGUAGE=
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: python-glpk
UpgradeStatus: Upgraded to xenial on 2016-04-09 (175 days ago)

[Jonas Ribeiro (xikorj)]

did anyone solve this?
i'm with the same problem

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Sergio Torassa (sertorassa)]

I just installed python-glpk in Ubuntu 16.04 and I see the same error.

Any news?

[Norbert (nrbrtx)]

Also seen on AskUbuntu - https://askubuntu.com/q/1111753/66509

[Norbert (nrbrtx)]

The real problem is python-ply. It is buggy.

The bug may be solved by installation of previous version to the home folder with pip:

  sudo apt-get install python-pip
  pip install ply==3.4 --user

[James Page (james-page)]

python-glpk is not present in any supported Ubuntu release so marking Won't Fix.