cryptography: drop support for Python 3.7 and 3.8. (#8029)

dev-python/cryptography/cryptography-3.3.2.recipe

@@ -8,7 +8,7 @@ HOMEPAGE="https://cryptography.io/"
 COPYRIGHT="2013-2020 The cryptography developers"
 LICENSE="Apache v2
 	BSD (3-clause)"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://pypi.io/packages/source/c/cryptography/cryptography-$portVersion.tar.gz"
 CHECKSUM_SHA256="5a60d3780149e13b7a6ff7ad6526b38846354d11a15e21068e57073e29e19bed"
 
@@ -33,8 +33,8 @@ BUILD_PREREQUIRES="
 	cmd:pkg_config$secondaryArchSuffix
 	"
 
-PYTHON_PACKAGES=(python3 python38 python39 python310)
-PYTHON_VERSIONS=(3.7 3.8 3.9 3.10)
+PYTHON_PACKAGES=(python39 python310)
+PYTHON_VERSIONS=(3.9 3.10)
 PYTHON_LIBSUFFIXES+=(m)
 for i in "${!PYTHON_PACKAGES[@]}"; do
 pythonPackage=${PYTHON_PACKAGES[i]}
@@ -60,9 +60,10 @@ if [ "$targetArchitecture" = "x86_gcc2" ]; then
 		\""
 fi
 BUILD_REQUIRES="$BUILD_REQUIRES
+	pip_$pythonPackage
 	setuptools_$pythonPackage
 	wheel_$pythonPackage
-	pip_$pythonPackage"
+	"
 BUILD_PREREQUIRES="$BUILD_PREREQUIRES
 	cmd:python$pythonVersion"
 done