package python3.5-minimal 3.5.2-2ubuntu0~16.04.2 failed to install/upgrade: package python3.5-minimal is already installed and configured

[frank]

after bootup and login, keep getting this message on a system recently built.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: python3.5-minimal 3.5.2-2ubuntu0~16.04.2
ProcVersionSignature: Ubuntu 4.10.0-35.39~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-35-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: amd64
CrashReports:
 640:0:115:2159591:2017-09-24 20:07:06.276108026 -0700:2017-09-24 20:07:07.276108026 -0700:/var/crash/libpython3.5-minimal:amd64.0.crash
 600:0:115:279573:2017-09-21 23:14:42.485411643 -0700:2017-09-21 23:14:43.485411643 -0700:/var/crash/python3.5-minimal.0.crash
 600:0:115:279556:2017-09-21 23:14:43.501411898 -0700:2017-09-21 23:14:43.489411747 -0700:/var/crash/libcups2:amd64.0.crash
Date: Thu Sep 21 23:14:43 2017
DuplicateSignature:
 package:python3.5-minimal:3.5.2-2ubuntu0~16.04.2
 Processing triggers for mime-support (3.59ubuntu1) ...
 dpkg: error processing package libpython3.5-minimal:amd64 (--configure):
  package libpython3.5-minimal:amd64 is already installed and configured
ErrorMessage: package python3.5-minimal is already installed and configured
InstallationDate: Installed on 2017-09-22 (2 days ago)
InstallationMedia: Ubuntu-GNOME 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.24
SourcePackage: dpkg
Title: package python3.5-minimal 3.5.2-2ubuntu0~16.04.2 failed to install/upgrade: package python3.5-minimal is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)