community/py3-pytest-mock: add missing dep on py3-mock

Pip also tried to download setuptools_scm, but let's use our repo
version instead. That way it doesn't need network access to build

community/py3-pytest-mock/APKBUILD

 # Maintainer: Andy Postnikov <apostnikov@gmail.com>
 pkgname=py3-pytest-mock
 pkgver=3.3.1
-pkgrel=0
+pkgrel=1
 pkgdesc="Thin-wrapper around the mock package for easier use with py.test"
 options="!check" # Fails
 url="https://github.com/pytest-dev/pytest-mock"
 arch="noarch"
 license="MIT"
-depends="py3-pytest"
-makedepends="py3-setuptools"
+depends="
+	py3-mock
+	py3-pytest
+	"
+makedepends="
+	py3-setuptools
+	py3-setuptools_scm
+	"
 source="https://files.pythonhosted.org/packages/source/p/pytest-mock/pytest-mock-$pkgver.tar.gz"
 builddir="$srcdir/pytest-mock-$pkgver"