SyntaxWarning during installation

[Andriy Tymchenko]

during installation of bugwarrior on this machine for first time, got warning

---
Setting up bugwarrior (1.7.0-1) ...
/usr/lib/python3/dist-packages/bugwarrior/db.py:294: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if exit_code is not 0:
---

expected behavior - no warnings

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: bugwarrior 1.7.0-1
ProcVersionSignature: Ubuntu 5.4.0-72.80-generic 5.4.101
Uname: Linux 5.4.0-72-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.17
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: MATE
Date: Sun May 16 18:27:01 2021
InstallationDate: Installed on 2020-10-25 (203 days ago)
InstallationMedia: Ubuntu-MATE 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
PackageArchitecture: all
SourcePackage: bugwarrior
UpgradeStatus: No upgrade log present (probably fresh install)

[Jochen Sprickerhof (v-launchpad-jochen-sprickerhof-de)]

Was fixed in version 1.8.0-1