python-raven: update to 6.4.0.

Closes: #10400 [via git-merge-pr]

srcpkgs/python-raven/template

@@ -1,6 +1,6 @@
 # Template file for 'python-raven'
 pkgname=python-raven
-version=6.3.0
+version=6.4.0
 revision=1
 noarch=yes
 wrksrc="raven-${version}"
@@ -13,7 +13,7 @@ maintainer="Michael Aldridge <aldridge.mac@gmail.com>"
 license="3-clause-BSD"
 homepage="https://github.com/getsentry/raven-python"
 distfiles="${PYPI_SITE}/r/raven/raven-${version}.tar.gz"
-checksum=f3e465a545dcdb6a387d1fcb199d08f786ba3732d7ce6aa681718b04da6aedf1
+checksum=b8edbb3335ed6c23cb168ced37fb523c1b91d9f3b0eddb90934249977841a902
 alternatives="raven:raven:/usr/bin/raven2"
 
 post_install() {