python 3.7 rebuild

PKGBUILD

@@ -4,7 +4,7 @@
 pkgname=gufw
 _pkgver=18.04
 pkgver=${_pkgver}.0
-pkgrel=1
+pkgrel=2
 pkgdesc='Uncomplicated way to manage your Linux firewall'
 url='https://gufw.org/'
 arch=('any')
@@ -17,7 +17,7 @@ sha512sums=('86154bd802e87ecd4bb6cfe74ae50d716d96bf33ca21847d439f602a4d318f7fcfa
 
 prepare() {
   cd gui-ufw-${pkgver}
-  sed 's|python3.5|python3.6|g' -i bin/gufw-pkexec
+  sed 's|python3.5|python3.7|g' -i bin/gufw-pkexec
 }
 
 package(){