python-lxml: upgrade to 4.3.1

1.Upgrade python-lxml and python3-lxml from 4.2.4 to 4.3.1

2.Modified some outdated descriptions in iso-schematron.rng

Signed-off-by: Hong Liu <hongl.fnst@cn.fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python-lxml.inc

@@ -11,15 +11,15 @@ LIC_FILES_CHKSUM = "file://LICENSES.txt;md5=e4c045ebad958ead4b48008f70838403 \
                     file://doc/licenses/elementtree.txt;md5=eb34d036a6e3d56314ee49a6852ac891 \
                     file://doc/licenses/BSD.txt;md5=700a1fc17f4797d4f2d34970c8ee694b \
                     file://doc/licenses/GPL.txt;md5=94d55d512a9ba36caa9b7df079bae19f \
-                    file://src/lxml/isoschematron/resources/rng/iso-schematron.rng;beginline=2;endline=7;md5=939e7430ce85e1242ff50c4ee9430752 \
+                    file://src/lxml/isoschematron/resources/rng/iso-schematron.rng;beginline=2;endline=7;md5=fc85684a8dd5fa272c086bceb0d99e10 \
                     file://src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_message.xsl;beginline=2;endline=24;md5=cc86b7b2bbc678e13f58ea403eb9929b \
                     file://src/lxml/isoschematron/resources/xsl/RNG2Schtrn.xsl;beginline=2;endline=7;md5=5b03236d293dc3784205542b409d2f53 \
                     "
 
 DEPENDS += "libxml2 libxslt"
 
-SRC_URI[md5sum] = "31239400ca4e130b69993bb3c14204b3"
-SRC_URI[sha256sum] = "e2afbe403090f5893e254958d02875e0732975e73c4c0cdd33c1f009a61963ca"
+SRC_URI[md5sum] = "d2b2eb305bfa9ed15aebe61affb3ffa4"
+SRC_URI[sha256sum] = "da5e7e941d6e71c9c9a717c93725cda0708c2474f532e3680ac5e39ec57d224d"
 
 DISTUTILS_BUILD_ARGS += " \
                      --with-xslt-config='pkg-config libxslt' \