Bump debhelper from deprecated 9 to 12.

Changes-By: lintian-brush
Fixes: lintian: package-uses-deprecated-debhelper-compat-version
See-also: https://lintian.debian.org/tags/package-uses-deprecated-debhelper-compat-version.html

debian/changelog

@@ -2,6 +2,7 @@ fail2ban (0.11.1-4) UNRELEASED; urgency=medium
 
   * Fix day-of-week for changelog entry 0.5.4-2.
   * Update watch file format version to 4.
+  * Bump debhelper from deprecated 9 to 12.
 
  -- Sylvestre Ledru <sylvestre@debian.org>  Mon, 23 Nov 2020 21:47:27 -0000
 

debian/control

@@ -5,7 +5,7 @@ Maintainer: Debian Python Team <team+python@tracker.debian.org>
 Uploaders: Yaroslav Halchenko <debian@onerussian.com>,
  Sylvestre Ledru <sylvestre@debian.org>
 Build-Depends:
- debhelper-compat (= 9)
+ debhelper-compat (= 12)
  , debhelper (>= 9.20160709)
  , dh-python
  , python3
@@ -18,7 +18,6 @@ Vcs-Git: https://salsa.debian.org/python-team/packages/fail2ban.git
 Vcs-Browser: https://salsa.debian.org/python-team/packages/fail2ban
 Standards-Version: 4.4.1
 
-
 Package: fail2ban
 Architecture: all
 Depends: ${python3:Depends}, ${misc:Depends}, lsb-base (>=2.0-7)

debian/rules

@@ -12,7 +12,7 @@ export DH_VERBOSE=1
 export PYBUILD_DISABLE_python2=1
 
 %:
-	dh $@ --with python3,systemd --buildsystem pybuild
+	dh $@ --with python3 --buildsystem pybuild
 
 DESTDIR=$(CURDIR)/debian/fail2ban
 PYVERSION=$(shell py3versions -dv)