python-Cython: add setuptools to depends

Without this, packages host-depending on Cython will consistently
fail to build, with this error message:

Traceback (most recent call last):
  File "/usr/bin/cython3", line 6, in <module>
    from pkg_resources import load_entry_point

srcpkgs/python-Cython/template

@@ -1,16 +1,17 @@
 # Template file for 'python-Cython'
 pkgname=python-Cython
 version=0.29
-revision=1
+revision=2
 wrksrc="Cython-${version}"
 build_style=python-module
+pycompile_module="Cython pyximport cython.py"
 hostmakedepends="python-devel python3-devel python-setuptools python3-setuptools"
 makedepends="${hostmakedepends}"
-pycompile_module="Cython pyximport cython.py"
+depends="python-setuptools"
 short_desc="C-Extensions for Python2"
 maintainer="Alessio Sergi <al3hex@gmail.com>"
-homepage="https://cython.org/"
 license="Apache-2.0"
+homepage="https://cython.org/"
 distfiles="${PYPI_SITE}/C/Cython/Cython-${version}.tar.gz"
 checksum=94916d1ede67682638d3cc0feb10648ff14dc51fb7a7f147f4fedce78eaaea97
 
@@ -31,6 +32,7 @@ python3-Cython_package() {
 	 cython:cythonize:/usr/bin/cythonize3"
 	pycompile_module="Cython pyximport cython.py"
 	short_desc="${short_desc/Python2/Python3}"
+	depends="python3-setuptools"
 	pkg_install() {
 		vmove usr/bin/*3
 		vmove usr/lib/python3*