package nemo 3.2.2-3 failed to install/upgrade: trying to overwrite '/usr/share/polkit-1/actions/org.nemo.root.policy', which is also in package nemo-data 3.4.6-1~zesty0

[mxyzptlk]

Was downgrading from a ppa version when this error was thrown.

ProblemType: Package
DistroRelease: Ubuntu 17.04
Package: nemo 3.2.2-3
ProcVersionSignature: Ubuntu 4.10.0-32.36-generic 4.10.17
Uname: Linux 4.10.0-32-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia
ApportVersion: 2.20.4-0ubuntu4.5
Architecture: amd64
Date: Mon Aug 21 12:32:00 2017
DuplicateSignature:
 package:nemo:3.2.2-3
 Unpacking nemo (3.2.2-3) over (3.4.6-1~zesty0) ...
 dpkg: error processing archive /tmp/apt-dpkg-install-T4EDTC/09-nemo_3.2.2-3_amd64.deb (--unpack):
  trying to overwrite '/usr/share/polkit-1/actions/org.nemo.root.policy', which is also in package nemo-data 3.4.6-1~zesty0
ErrorMessage: trying to overwrite '/usr/share/polkit-1/actions/org.nemo.root.policy', which is also in package nemo-data 3.4.6-1~zesty0
RelatedPackageVersions:
 dpkg 1.18.10ubuntu2
 apt 1.4
SourcePackage: nemo
Title: package nemo 3.2.2-3 failed to install/upgrade: trying to overwrite '/usr/share/polkit-1/actions/org.nemo.root.policy', which is also in package nemo-data 3.4.6-1~zesty0
UpgradeStatus: Upgraded to zesty on 2017-04-17 (126 days ago)