sip: exception when trying to use generate-extracts

[Scott Talbert]

Hi Phil,

I'm working on trying to build wxPython with sip 6.6.1.  When setting 
generate-extracts in pyproject.toml, I'm seeing this exception:

Traceback (most recent call last):
   File "/home/talbert/wxPython/Phoenix.sip6/env/bin/sip-build", line 8, in 
<module>
     sys.exit(main())
   File 
"/home/talbert/wxPython/Phoenix.sip6/env/lib64/python3.10/site-packages/sipbuild/tools/build.py", 
line 37, in main
     handle_exception(e)
   File 
"/home/talbert/wxPython/Phoenix.sip6/env/lib64/python3.10/site-packages/sipbuild/exceptions.py", 
line 81, in handle_exception
     raise e
   File 
"/home/talbert/wxPython/Phoenix.sip6/env/lib64/python3.10/site-packages/sipbuild/tools/build.py", 
line 34, in main
     project.build()
   File 
"/home/talbert/wxPython/Phoenix.sip6/env/lib64/python3.10/site-packages/sipbuild/project.py", 
line 244, in build
     self.builder.build()
   File 
"/home/talbert/wxPython/Phoenix.sip6/env/lib64/python3.10/site-packages/sipbuild/builder.py", 
line 48, in build
     self._generate_bindings()
   File 
"/home/talbert/wxPython/Phoenix.sip6/env/lib64/python3.10/site-packages/sipbuild/builder.py", 
line 277, in _generate_bindings
     buildable = bindings.generate()
   File 
"/home/talbert/wxPython/Phoenix.sip6/env/lib64/python3.10/site-packages/sipbuild/bindings.py", 
line 166, in generate
     spec, sip_files = parse(self.sip_file, SIP_VERSION, encoding,
   File 
"/home/talbert/wxPython/Phoenix.sip6/env/lib64/python3.10/site-packages/sipbuild/generator/parser/parser.py", 
line 35, in parse
     protected_is_public, include_dirs, strict).parse(sip_file)
   File 
"/home/talbert/wxPython/Phoenix.sip6/env/lib64/python3.10/site-packages/sipbuild/generator/parser/parser_manager.py", 
line 1490, in parse
     self._parser.parse(self._read(sip_file, raw_sip_file),
   File 
"/home/talbert/wxPython/Phoenix.sip6/env/lib64/python3.10/site-packages/ply/yacc.py", 
line 331, in parse
     return self.parseopt(input, lexer, debug, tracking, tokenfunc)
   File 
"/home/talbert/wxPython/Phoenix.sip6/env/lib64/python3.10/site-packages/ply/yacc.py", 
line 823, in parseopt
     p.callable(pslice)
   File 
"/home/talbert/wxPython/Phoenix.sip6/env/lib64/python3.10/site-packages/sipbuild/generator/parser/rules.py", 
line 551, in p_extract
     pm.module_state.module.extracts.append(Extract(id, order, part))
AttributeError: 'Module' object has no attribute 'extracts'

Thanks,
Scott