I found bug

[panda-67]

The PKGBUILD currently uses a fixed md5sums for a git+ source:

source=("git+$url.git#tag=v${pkgver}") md5sums=('...')

This causes makepkg to fail during source validation. Since the source is a Git repository, md5sums=('SKIP') (or b2sums=('SKIP')) should be used instead.