python3-lz4: update to 3.1.0.

srcpkgs/python3-lz4/template

@@ -1,10 +1,10 @@
 # Template file for 'python3-lz4'
 pkgname=python3-lz4
-version=2.1.6
-revision=5
+version=3.1.0
+revision=1
 wrksrc="lz4-${version}"
 build_style=python3-module
-hostmakedepends="pkg-config python3-setuptools python3-pkgconfig"
+hostmakedepends="pkg-config python3-setuptools_scm python3-pkgconfig"
 makedepends="python3-devel liblz4-devel"
 depends="python3"
 checkdepends="python3-pytest python3-psutil"
@@ -14,15 +14,7 @@ license="BSD-3-Clause"
 homepage="https://github.com/python-lz4/python-lz4"
 changelog="https://github.com/python-lz4/python-lz4/releases"
 distfiles="${PYPI_SITE}/l/lz4/lz4-${version}.tar.gz"
-checksum=3c03f6b52b136a61b3168e875753a60d171a3efbab3601d66402a78dd20de4d2
-
-pre_build() {
-	sed -i setup.py \
-		-e '/setup_requires=/,+4d' \
-		-e '/use_scm_version=/,+2d' \
-		-e "/name=/ a\
-		version='${version}',"
-}
+checksum=debe75513db3eb9e5cdcd82a329ff38374b6316ab65b848b571e0404746c1e05
 
 do_check() {
 	python3 -m pytest