Python 3.9 rebuild

PKGBUILD

@@ -5,7 +5,7 @@
 
 pkgname=python-pyx
 pkgver=0.15
-pkgrel=2
+pkgrel=3
 pkgdesc='Python library for the creation of PostScript and PDF files'
 arch=('any')
 url="http://pyx.sourceforge.net"
@@ -18,4 +18,3 @@ package() {
   cd PyX-$pkgver
   python setup.py install -O1 --root="$pkgdir"
 }
-