testing/py3-qtpy: modernize

Closes GH-8101

testing/py3-qtpy/APKBUILD

@@ -8,24 +8,21 @@ url="https://github.com/spyder-ide/qtpy"
 arch="noarch"
 license="MIT"
 depends="python3 py3-qt5"
-makedepends="python3-dev py3-qt5 py3-pytest"
+makedepends="py3-setuptools py3-pytest"
 source="py3-qtpy-$pkgver.tar.gz::https://github.com/spyder-ide/qtpy/archive/v$pkgver.tar.gz"
 builddir="$srcdir/qtpy-$pkgver"
 # TODO: remove this once py3-qt5's a complete package.
 options="!check"
 
 build() {
-	cd "$builddir"
 	python3 setup.py build
 }
 
 check() {
-	cd "$builddir"
 	python3 setup.py test
 }
 
 package() {
-	cd "$builddir"
 	python3 setup.py install --prefix=/usr --root="$pkgdir"
 }