error messages when installing python3-whois

[Marian N. Ion]

When installing python3-whois package I encounter the following messages:

Setting up python3-whois (0.8-1) ...
/usr/lib/python3/dist-packages/whois/_3_adjust.py:77: SyntaxWarning: invalid escape sequ
ence '\+'
  s = re.sub('(\+[0-9]{2}):([0-9]{2})', '\\1\\2', s)
/usr/lib/python3/dist-packages/whois/_3_adjust.py:78: SyntaxWarning: invalid escape sequ
ence '\ '
  s = re.sub('(\ #.*)', '', s)
/usr/lib/python3/dist-packages/whois/_3_adjust.py:92: SyntaxWarning: invalid escape sequ
ence '\+'
  tmp = re.findall('\+([0-9]{2})00', s)

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: python3-whois 0.8-1
ProcVersionSignature: Ubuntu 6.8.0-22.22-generic 6.8.1
Uname: Linux 6.8.0-22-generic x86_64
ApportVersion: 2.28.0-0ubuntu1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon Apr 8 08:43:50 2024
InstallationDate: Installed on 2024-04-08 (0 days ago)
InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Daily amd64 (20240407.2)
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
SourcePackage: python-whois
UpgradeStatus: No upgrade log present (probably fresh install)