executing: drop Python 3.9 support.

Only user on-tree (icecream) is 3.10 only already.

dev-python/executing/executing-1.2.0.recipe

@@ -4,7 +4,7 @@ particularly the AST node being executed"
 HOMEPAGE="https://github.com/alexmojaki/executing"
 COPYRIGHT="2019 Alex Hall"
 LICENSE="MIT"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://pypi.io/packages/source/e/$portName/$portName-$portVersion.tar.gz"
 CHECKSUM_SHA256="19da64c18d2d851112f09c287f8d3dbbdf725ab0e569077efb6cdcbd3497c107"
 
@@ -17,11 +17,10 @@ REQUIRES="
 	haiku
 	"
 
-PYTHON_PACKAGES=(python39 python310)
-PYTHON_VERSIONS=(3.9 3.10)
-for i in "${!PYTHON_PACKAGES[@]}"; do
-	pythonPackage=${PYTHON_PACKAGES[i]}
-	pythonVersion=${PYTHON_VERSIONS[i]}
+PYTHON_VERSIONS=(3.10)
+
+for pythonVersion in ${PYTHON_VERSIONS[@]}; do
+	pythonPackage=python${pythonVersion//.}
 
 	eval "PROVIDES_$pythonPackage=\"
 		${portName}_$pythonPackage = $portVersion
@@ -49,13 +48,14 @@ done
 
 INSTALL()
 {
-	for i in "${!PYTHON_PACKAGES[@]}"; do
-		python=python${PYTHON_VERSIONS[$i]}
+	for pythonVersion in ${PYTHON_VERSIONS[@]}; do
+		pythonPackage=python${pythonVersion//.}
+		python=python$pythonVersion
 
 		$python -m build --wheel --skip-dependency-check --no-isolation
 		$python -m installer -p $prefix dist/*.whl
 
-		packageEntries ${PYTHON_PACKAGES[i]} \
+		packageEntries $pythonPackage \
 			$prefix/lib/python*
 	done
 }
@@ -72,8 +72,8 @@ TEST()
 			-O littleutils/__init__.py
 	fi
 
-	for i in "${!PYTHON_VERSIONS[@]}"; do
-		python=python${PYTHON_VERSIONS[$i]}
+	for pythonVersion in ${PYTHON_VERSIONS[@]}; do
+		python=python$pythonVersion
 		$python -m pytest
 	done