package firmware-b43-installer 1:019-3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

[Ghulam Murtaza]

firmware-b43-installer not installed
and not wifi installed

ProblemType: Package
DistroRelease: Ubuntu 17.10
Package: firmware-b43-installer 1:019-3
ProcVersionSignature: Ubuntu 4.13.0-21.24-generic 4.13.13
Uname: Linux 4.13.0-21-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.20.7-0ubuntu3.7
AptOrdering:
 b43-fwcutter:i386: Install
 firmware-b43-installer:i386: Install
 NULL: ConfigurePending
Architecture: i386
Date: Sat Feb 17 12:26:06 2018
ErrorMessage: subprocess installed post-installation script returned error exit status 2
InstallationDate: Installed on 2018-02-17 (0 days ago)
InstallationMedia: Lubuntu 17.10 "Artful Aardvark" - Release i386 (20180105)
PackageArchitecture: all
Python3Details: /usr/bin/python3.6, Python 3.6.3, python3-minimal, 3.6.3-0ubuntu2
PythonDetails: /root/Error: command ['which', 'python'] failed with exit code 1:, Error: [Errno 2] No such file or directory: "/root/Error: command ['which', 'python'] failed with exit code 1:": "/root/Error: command ['which', 'python'] failed with exit code 1:", unpackaged
RelatedPackageVersions:
 dpkg 1.18.24ubuntu1
 apt 1.5.1
SourcePackage: b43-fwcutter
Title: package firmware-b43-installer 1:019-3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
UpgradeStatus: No upgrade log present (probably fresh install)