python3-parso: downgrade to 0.7.1.

https://github.com/davidhalter/jedi/issues/1666

srcpkgs/python3-parso/template

@@ -1,8 +1,8 @@
 # Template file for 'python3-parso'
 pkgname=python3-parso
-version=0.8.0
+reverts="0.8.0_1"
+version=0.7.1
 revision=1
-archs=noarch
 wrksrc="parso-${version}"
 build_style=python3-module
 hostmakedepends="python3-setuptools"
@@ -12,7 +12,7 @@ maintainer="Andrew J. Hesford <ajh@sideband.org>"
 license="MIT"
 homepage="https://github.com/davidhalter/parso"
 distfiles="${PYPI_SITE}/p/parso/parso-${version}.tar.gz"
-checksum=2b6db14759c528d857eeb9eac559c2166b2554548af39f5198bdfb976f72aa64
+checksum=caba44724b994a8a5e086460bb212abc5a8bc46951bf4a9a1210745953622eb9
 
 post_install() {
 	vlicense LICENSE.txt