[Bug 1689561] Re: package python-sip-dev 4.17+dfsg-1build1 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 127

[Dmitry Shachnev]

In Ubuntu 16.04 removing Python 2 is not supported. In later versions
the generated prerm script calls pyclean only if it exists.

In any case this is not a bug in sip4.

** Changed in: sip4 (Ubuntu)
       Status: New => Invalid

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Title:
  package python-sip-dev 4.17+dfsg-1build1 failed to install/upgrade:
  subprocess installed pre-removal script returned error exit status 127

Status in sip4 package in Ubuntu:
  Invalid

Bug description:
  I have problem with python 2.7 and after removing that, this problem
  occurred.

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: python-sip-dev 4.17+dfsg-1build1
  ProcVersionSignature: Ubuntu 4.4.0-78.99-generic 4.4.62
  Uname: Linux 4.4.0-78-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.5
  Architecture: amd64
  Date: Tue May  9 18:13:32 2017
  Dependencies:
   gcc-6-base 6.0.1-0ubuntu1
   libc6 2.23-0ubuntu7
   libgcc1 1:6.0.1-0ubuntu1
   python-sip-dev 4.17+dfsg-1build1
   sip-dev 4.17+dfsg-1build1
  DuplicateSignature:
   package:python-sip-dev:4.17+dfsg-1build1
   Removing python-sip-dev (4.17+dfsg-1build1) ...
   /var/lib/dpkg/info/python-sip-dev.prerm: 6: /var/lib/dpkg/info/python-sip-dev.prerm: pyclean: not found
   dpkg: error processing package python-sip-dev (--purge):
    subprocess installed pre-removal script returned error exit status 127
  ErrorMessage: subprocess installed pre-removal script returned error exit status 127
  InstallationDate: Installed on 2016-08-06 (276 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.2
   apt  1.2.20
  SourcePackage: sip4
  Title: package python-sip-dev 4.17+dfsg-1build1 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 127
  UpgradeStatus: No upgrade log present (probably fresh install)

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