python-Cheroot: update fix

Upstream moved to declarative configuration.
See https://setuptools.readthedocs.io/en/latest/setuptools.html#configuring-setup-using-setup-cfg-files.

srcpkgs/python-Cheroot/template

@@ -1,7 +1,7 @@
 # Template file for 'python-Cheroot'
 pkgname=python-Cheroot
 version=6.5.3
-revision=1
+revision=2
 noarch=yes
 wrksrc="cheroot-${version}"
 build_style=python-module
@@ -18,9 +18,12 @@ checksum=e40936ed5d8e88a2e6ddb8c3b7d9e93b898e898bc6d2f5dbdd560ecb3d62c734
 alternatives="cheroot:cheroot:/usr/bin/cheroot2"
 
 pre_build() {
-	sed -i setup.py \
+	sed -i setup.cfg \
 		-e '/setuptools_scm/d' \
-		-e "s|use_scm_version=True|version='${version}'|"
+		-e '/setuptools_scm_git_archive/d' \
+		-e '/use_scm_version/d' \
+		-e "/name = /a\
+		version = ${version}"
 }
 
 post_install() {