dev-python/statmake: fix dep on cattrs

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-python/statmake/metadata.xml

@@ -1,7 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-    <!-- maintainer-needed -->
+    <maintainer type="person">
+        <description>co-maintainers welcome</description>
+        <email>lssndrbarbieri@gmail.com</email>
+        <name>Alessandro Barbieri</name>
+    </maintainer>
     <upstream>
         <bugs-to>https://github.com/daltonmaag/statmake/issues</bugs-to>
         <remote-id type="github">daltonmaag/statmake</remote-id>

dev-python/statmake/statmake-0.3.0-r1.ebuild

@@ -1,8 +1,9 @@
 # Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=7
+EAPI=8
 
+DISTUTILS_SINGLE_IMPL=1
 DISTUTILS_USE_SETUPTOOLS=pyproject.toml
 PYTHON_COMPAT=( python3_{8..9} )
 
@@ -17,13 +18,15 @@ SLOT="0"
 IUSE="test"
 
 RDEPEND="
-	dev-python/fonttools[${PYTHON_USEDEP}]
-	dev-python/cattrs[${PYTHON_USEDEP}]
+	$(python_gen_cond_dep '
+		dev-python/fonttools[${PYTHON_USEDEP}]
+	')
+	dev-python/cattrs[${PYTHON_SINGLE_USEDEP}]
 "
 DEPEND="
 	${RDEPEND}
 	test? (
-		dev-python/ufo2ft[${PYTHON_USEDEP}]
+		$(python_gen_cond_dep 'dev-python/ufo2ft[${PYTHON_USEDEP}]')
 	)
 "