python3-ruamel-yaml: upgrade 0.17.20 -> 0.17.21

Changelog:
=========
- fix bug in calling '.compose()' method with 'pathlib.Path' instance.

(From OE-Core rev: 1f5f7cdf998cfb5f5635953ab862728a08192778)

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/python/python3-ruamel-yaml_0.17.21.bb

@@ -0,0 +1,24 @@
+SUMMARY = "YAML parser/emitter that supports roundtrip preservation of comments, seq/map flow style, and map key order."
+HOMEPAGE = "https://pypi.org/project/ruamel.yaml/"
+AUTHOR = "Anthon van der Neut"
+
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=034154b7344d15438bc5ed5ee9cc075f"
+
+PYPI_PACKAGE = "ruamel.yaml"
+
+inherit pypi setuptools3
+
+SRC_URI[sha256sum] = "8b7ce697a2f212752a35c1ac414471dc16c424c9573be4926b56ff3f5d23b7af"
+
+RDEPENDS:${PN} += "\
+    ${PYTHON_PN}-shell \
+    ${PYTHON_PN}-datetime \
+    ${PYTHON_PN}-netclient \
+"
+
+do_install:prepend() {
+    export RUAMEL_NO_PIP_INSTALL_CHECK=1
+}
+
+BBCLASSEXTEND = "native nativesdk"