translate-toolkit requires setuptools

otherwise the scripts return error like:
ModuleNotFoundError: No module named 'pkg_resources'

po2ts uses this line:
"from pkg_resources import load_entry_point"

translate-toolkit/PKGBUILD

@@ -6,13 +6,13 @@
 
 pkgname=translate-toolkit
 pkgver=2.3.1
-pkgrel=1
+pkgrel=2
 pkgdesc="A toolkit to convert between various different translation formats, help process and validate localisations"
 arch=('any')
 url="https://toolkit.translatehouse.org/"
 license=('GPL')
-depends=('bash' 'python3-lxml' 'python3-six' 'python3-diff-match-patch')
-makedepends=('python3-setuptools')
+depends=('bash' 'python3-lxml' 'python3-six' 'python3-diff-match-patch' 'python3-setuptools')
+makedepends=()
 optdepends=('python3-chardet: encoding detector'
             'python3-levenshtein: faster matching')
 source=($pkgname-$pkgver.tar.gz::https://github.com/translate/translate/archive/$pkgver.tar.gz)