dnspython: drop Python 3.9 support.

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

dev-python/dnspython/dnspython-1.16.0.recipe

@@ -7,7 +7,7 @@ COPYRIGHT="Dnspython Contributors
 	2001-2017 Nominum, Inc.
 	Google Inc."
 LICENSE="ISC"
-REVISION="5"
+REVISION="6"
 SOURCE_URI="https://github.com/rthalley/dnspython/archive/v$portVersion.tar.gz"
 CHECKSUM_SHA256="b339ac2eb070d0133f020a6e0cc137a10fc380f3eba3e0655d62a19e64626cbd"
 
@@ -24,13 +24,12 @@ BUILD_REQUIRES="
 	haiku_devel
 	"
 
-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)
 
-	eval "PROVIDES_${pythonPackage}=\"
+for pythonVersion in ${PYTHON_VERSIONS[@]}; do
+	pythonPackage=python${pythonVersion//.}
+
+	eval "PROVIDES_$pythonPackage=\"
 		${portName}_$pythonPackage = $portVersion
 		\""
 	eval "REQUIRES_$pythonPackage=\"
@@ -48,9 +47,8 @@ done
 
 INSTALL()
 {
-	for i in "${!PYTHON_PACKAGES[@]}"; do
-		pythonPackage=${PYTHON_PACKAGES[i]}
-		pythonVersion=${PYTHON_VERSIONS[$i]}
+	for pythonVersion in ${PYTHON_VERSIONS[@]}; do
+		pythonPackage=python${pythonVersion//.}
 
 		python=python$pythonVersion
 		installLocation=$prefix/lib/$python/vendor-packages/