apport-gtk crashed with SIGSEGV in visit_decref()

unable to installe error

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: apport-gtk 2.20.7-0ubuntu3
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
ApportVersion: 2.20.7-0ubuntu3
Architecture: amd64
CrashReports:
 644:0:119:0:2017-11-17 22:28:53.235909249 +0530:2017-11-17 22:28:53.235909249 +0530:/var/crash/_usr_bin_debconf-communicate.0.upload
 640:0:119:667181:2017-11-17 22:28:50.883916139 +0530:2017-11-17 22:28:51.883916139 +0530:/var/crash/_usr_bin_debconf-communicate.0.crash
 640:0:119:1169291:2017-11-17 22:23:58.619682073 +0530:2017-11-17 22:23:59.619682073 +0530:/var/crash/_usr_share_apport_apport-gtk.0.crash
CurrentDesktop: ubuntu:GNOME
Date: Fri Nov 17 22:23:58 2017
ExecutablePath: /usr/share/apport/apport-gtk
ExecutableTimestamp: 1507757210
InterpreterPath: /usr/bin/python3.6
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/share/apport/apport-gtk ubiquity
ProcCwd: /
ProcEnviron:
 LANGUAGE=en_IN
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_IN
 LC_NUMERIC=C.UTF-8
Python3Details: /usr/bin/python3.6, Python 3.6.3, python3-minimal, 3.6.3-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.14, python-minimal, 2.7.14-2ubuntu1
SegvAnalysis:
 Segfault happened at: 0x442f20: mov 0x8(%rdi),%rax
 PC (0x00442f20) ok
 source "0x8(%rdi)" (0xa00000a46f48) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: apport
StacktraceTop:
 ?? ()
 ?? ()
 ?? ()
 _PyObject_GC_NewVar ()
 PyTuple_New ()
Title: apport-gtk crashed with SIGSEGV in _PyObject_GC_NewVar()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: