python3-cachetools: Upgrade 4.2.0 -> 4.2.1

Upgrade to release 4.2.1:

- Handle __missing__() not storing cache items.
- Clean up __missing__() example.

Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Acked-by: Trevor Gamblin <trevor.gamblin@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-cachetools_4.2.1.bb

@@ -0,0 +1,32 @@
+SUMMARY = "Extensible memoizing collections and decorators"
+HOMEPAGE = "https://github.com/tkem/cachetools"
+DESCRIPTION = "This module provides various memoizing \
+collections and decorators, including variants of the \
+Python 3 Standard Library @lru_cache function decorator."
+SECTION = "devel/python"
+
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=2d1e1bf0ccb26126a230c51f997ce362"
+
+inherit pypi setuptools3 ptest
+
+SRC_URI += " \
+	file://run-ptest \
+"
+
+RDEPENDS_${PN} += " \
+	${PYTHON_PN}-math \
+"
+
+RDEPENDS_${PN}-ptest += " \
+	${PYTHON_PN}-pytest \
+"
+
+do_install_ptest() {
+	install -d ${D}${PTEST_PATH}/tests
+	cp -rf ${S}/tests/* ${D}${PTEST_PATH}/tests/
+}
+
+SRC_URI[sha256sum] = "f469e29e7aa4cff64d8de4aad95ce76de8ea1125a16c68e0d93f65c3c3dc92e9"
+
+BBCLASSEXTEND = "native nativesdk"