pip install -r requirement.txt 报错， about vulmap

[xiagw]

    copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_skeleton_for_xslt1.xsl -> build/lib.linux-x86_64-3.9/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
    copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_svrl_for_xslt1.xsl -> build/lib.linux-x86_64-3.9/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
    copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_dsdl_include.xsl -> build/lib.linux-x86_64-3.9/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
    copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_message.xsl -> build/lib.linux-x86_64-3.9/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
    copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_abstract_expand.xsl -> build/lib.linux-x86_64-3.9/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
    copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/readme.txt -> build/lib.linux-x86_64-3.9/lxml/isoschematron/resources/xsl/iso-schematron-xslt1
    running build_ext
    building 'lxml.etree' extension
    creating build/temp.linux-x86_64-3.9
    creating build/temp.linux-x86_64-3.9/src
    creating build/temp.linux-x86_64-3.9/src/lxml
    gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -fPIC -DCYTHON_CLINE_IN_TRACEBACK=0 -I/usr/include/libxml2 -Isrc -Isrc/lxml/includes -I/usr/local/include/python3.9
-c src/lxml/etree.c -o build/temp.linux-x86_64-3.9/src/lxml/etree.o -w
    src/lxml/etree.c: In function ‘__Pyx_modinit_type_init_code’:
    src/lxml/etree.c:231222:33: error: ‘PyTypeObject’ {aka ‘struct _typeobject’} has no member named ‘tp_print’; did you mean ‘tp_dict’?
       __pyx_type_4lxml_5etree_Error.tp_print = 0;
                                     ^~~~~~~~
                                     tp_dict

[xiagw]

                                                                  tp_dict
    src/lxml/etree.c:233053:62: error: ‘PyTypeObject’ {aka ‘struct _typeobject’} has no member named ‘tp_print’; did you mean ‘tp_dict’?
       __pyx_type_4lxml_5etree___pyx_scope_struct_14_iterentities.tp_print = 0;
                                                                  ^~~~~~~~
                                                                  tp_dict
    Compile failed: command '/usr/bin/gcc' failed with exit code 1
    cc -I/usr/include/libxml2 -I/usr/include/libxml2 -c /tmp/xmlXPathInit8ddad1fg.c -o tmp/xmlXPathInit8ddad1fg.o
    cc tmp/xmlXPathInit8ddad1fg.o -lxml2 -o a.out
    error: command '/usr/bin/gcc' failed with exit code 1
    ----------------------------------------
ERROR: Command errored out with exit status 1: /usr/local/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-emet3lx5/lxml/setup.py'"'"'; __file__='"'"'/tmp/pip-install-emet3lx5/lxml/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-dqd3ww7a/install-record.txt --single-version-externally-managed --compile --install-headers /usr/local/include/python3.9/lxml Check the logs for full command output.

[zhzyker]

Removed the dependent version requirements in requirements.txt
Solved this problem