[Bug 1716542] Re: package python-jwt 1.3.0-1 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1

[Joshua Powers]

>From log:

Preparing to unpack .../python-jwt_1.3.0-1ubuntu0.1_all.deb ...
  File "/usr/bin/pyclean", line 63
    except (IOError, OSError), e:
                             ^
SyntaxError: invalid syntax
dpkg: warning: subprocess old pre-removal script returned error exit status 1
dpkg: trying script from the new package instead ...
  File "/usr/bin/pyclean", line 63
    except (IOError, OSError), e:
                             ^
SyntaxError: invalid syntax

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https://bugs.launchpad.net/bugs/1716542

Title:
  package python-jwt 1.3.0-1 failed to install/upgrade: subprocess new
  pre-removal script returned error exit status 1

Status in pyjwt package in Ubuntu:
  Incomplete

Bug description:
  This bug happened when I tried to install the upgrade package of
  ubuntu

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: python-jwt 1.3.0-1ubuntu0.1
  ProcVersionSignature: Ubuntu 4.10.0-32.36~16.04.1-generic 4.10.17
  Uname: Linux 4.10.0-32-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  Date: Tue Sep 12 08:44:57 2017
  ErrorMessage: subprocess new pre-removal script returned error exit status 1
  InstallationDate: Installed on 2017-07-17 (56 days ago)
  InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
  PackageArchitecture: all
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.2
   apt  1.2.24
  SourcePackage: pyjwt
  Title: package python-jwt 1.3.0-1 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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