package python3-networkx (not installed) failed to install/upgrade: poging tot overschrijven van '/usr/share/doc/python-networkx/examples/basic/read_write.py', wat ook in pakket python-networkx 1.8.1-0ubuntu3 zit

[hurricaneharry]

same file in 2 packages

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: python3-networkx (not installed)
ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.19.1-0ubuntu5
AptOrdering:
 python-networkx-doc: Install
 python3-networkx: Install
 python-networkx-doc: Configure
 python3-networkx: Configure
 NULL: ConfigurePending
Architecture: amd64
Date: Thu Feb 4 12:13:23 2016
DuplicateSignature: package:python3-networkx:(not installed):poging tot overschrijven van '/usr/share/doc/python-networkx/examples/basic/read_write.py', wat ook in pakket python-networkx 1.8.1-0ubuntu3 zit
ErrorMessage: poging tot overschrijven van '/usr/share/doc/python-networkx/examples/basic/read_write.py', wat ook in pakket python-networkx 1.8.1-0ubuntu3 zit
InstallationDate: Installed on 2015-10-22 (104 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5.1
 apt 1.0.10.2ubuntu1
SourcePackage: python-networkx
Title: package python3-networkx (not installed) failed to install/upgrade: poging tot overschrijven van '/usr/share/doc/python-networkx/examples/basic/read_write.py', wat ook in pakket python-networkx 1.8.1-0ubuntu3 zit
UpgradeStatus: No upgrade log present (probably fresh install)