[Bug 1661153] Re: package python-crypto 2.6.1-6build1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Sebastian Ramacher]

** Package changed: python-crypto (Ubuntu) => mysql-5.7 (Ubuntu)

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https://bugs.launchpad.net/bugs/1661153

Title:
  package python-crypto 2.6.1-6build1 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 1

Status in mysql-5.7 package in Ubuntu:
  New

Bug description:
  I am unable to install mysql related any package.

  If are sure you want to downgrade to 5.7, remove the file
  /var/lib/mysql/debian-*.flag and try installing again.
  dpkg: error processing archive /var/cache/apt/archives/mysql-server-5.7_5.7.14-1+deb.sury.org~trusty+0_amd64.deb (--unpack):
   subprocess new pre-installation script returned error exit status 1
  Errors were encountered while processing:
   /var/cache/apt/archives/mysql-server-5.7_5.7.14-1+deb.sury.org~trusty+0_amd64.deb
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: python-crypto 2.6.1-6build1
  ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35
  Uname: Linux 4.4.0-59-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.5
  Architecture: amd64
  Date: Thu Feb  2 10:05:50 2017
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.1
   apt  1.2.19
  SourcePackage: python-crypto
  Title: package python-crypto 2.6.1-6build1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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