package python3-distupgrade 1:0.220.5 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1

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ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: python3-distupgrade 1:0.220.5
ProcVersionSignature: Ubuntu 3.13.0-43.72-generic 3.13.11.11
Uname: Linux 3.13.0-43-generic i686
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: i386
CrashDB: ubuntu
Date: Sun Dec 14 22:50:18 2014
DuplicateSignature: package:python3-distupgrade:1:0.220.5:subprocess new pre-removal script returned error exit status 1
ErrorMessage: subprocess new pre-removal script returned error exit status 1
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Title: package python3-distupgrade 1:0.220.5 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1
UpgradeStatus: Upgraded to trusty on 2014-04-21 (237 days ago)
VarLogDistupgradeApttermlog:
 Log started: 2014-04-21 16:41:53
 dpkg: error: parsing file '/var/lib/dpkg/available' near line 14781 package 'libwxbase2.8-0:i386':
  empty file details field `Size'
 Log ended: 2014-04-21 16:41:54