unskipped built-in function (time.monotonic) by typesafety/sphinxautodoc.py

[nyirog]

The sphinx plugin fails becasue typesafety tries to get the function signature of the built-in function time.monotonic.

Traceback:

Traceback (most recent call last):
  File "/usr/lib/python3.5/inspect.py", line 1089, in getfullargspec
    sigcls=Signature)
  File "/usr/lib/python3.5/inspect.py", line 2230, in _signature_from_callable
    skip_bound_arg=skip_bound_arg)
  File "/usr/lib/python3.5/inspect.py", line 2060, in _signature_from_builtin
    raise ValueError("no signature found for builtin {!r}".format(func))
ValueError: no signature found for builtin <built-in function monotonic>

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/cmdline.py", line 244, in main
    app.build(opts.force_all, filenames)
  File "/usr/lib/python3/dist-packages/sphinx/application.py", line 267, in build
    self.builder.build_update()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py", line 251, in build_update
    'out of date' % len(to_build))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py", line 265, in build
    self.doctreedir, self.app))
  File "/usr/lib/python3/dist-packages/sphinx/environment.py", line 547, in update
    self._read_serial(docnames, app)
  File "/usr/lib/python3/dist-packages/sphinx/environment.py", line 567, in _read_serial
    self.read_doc(docname, app)
  File "/usr/lib/python3/dist-packages/sphinx/environment.py", line 720, in read_doc
    pub.publish()
  File "/usr/lib/python3/dist-packages/docutils/core.py", line 217, in publish
    self.settings)
  File "/usr/lib/python3/dist-packages/sphinx/io.py", line 46, in read
    self.parse()
  File "/usr/lib/python3/dist-packages/docutils/readers/__init__.py", line 78, in parse
    self.parser.parse(self.input, document)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/__init__.py", line 172, in parse
    self.statemachine.run(inputlines, document, inliner=self.inliner)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 171, in run
    input_source=document['source'])
  File "/usr/lib/python3/dist-packages/docutils/statemachine.py", line 239, in run
    context, state, transitions)
  File "/usr/lib/python3/dist-packages/docutils/statemachine.py", line 460, in check_line
    return method(match, context, next_state)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 2962, in text
    self.section(title.lstrip(), source, style, lineno + 1, messages)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 328, in section
    self.new_subsection(title, lineno, messages)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 396, in new_subsection
    node=section_node, match_titles=True)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 283, in nested_parse
    node=node, match_titles=match_titles)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 196, in run
    results = StateMachineWS.run(self, input_lines, input_offset)
  File "/usr/lib/python3/dist-packages/docutils/statemachine.py", line 239, in run
    context, state, transitions)
  File "/usr/lib/python3/dist-packages/docutils/statemachine.py", line 460, in check_line
    return method(match, context, next_state)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 2727, in underline
    self.section(title, source, style, lineno - 1, messages)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 328, in section
    self.new_subsection(title, lineno, messages)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 396, in new_subsection
    node=section_node, match_titles=True)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 283, in nested_parse
    node=node, match_titles=match_titles)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 196, in run
    results = StateMachineWS.run(self, input_lines, input_offset)
  File "/usr/lib/python3/dist-packages/docutils/statemachine.py", line 239, in run
    context, state, transitions)
  File "/usr/lib/python3/dist-packages/docutils/statemachine.py", line 460, in check_line
    return method(match, context, next_state)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 2300, in explicit_markup
    nodelist, blank_finish = self.explicit_construct(match)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 2312, in explicit_construct
    return method(self, expmatch)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 2055, in directive
    directive_class, match, type_name, option_presets)
  File "/usr/lib/python3/dist-packages/docutils/parsers/rst/states.py", line 2104, in run_directive
    result = directive_instance.run()
  File "/usr/lib/python3/dist-packages/sphinx/ext/autodoc.py", line 1472, in run
    documenter.generate(more_content=self.content)
  File "/usr/lib/python3/dist-packages/sphinx/ext/autodoc.py", line 831, in generate
    self.document_members(all_members)
  File "/usr/lib/python3/dist-packages/sphinx/ext/autodoc.py", line 753, in document_members
    check_module=members_check_module and not isattr)
  File "/usr/lib/python3/dist-packages/sphinx/ext/autodoc.py", line 818, in generate
    sig = self.format_signature()
  File "/usr/lib/python3/dist-packages/sphinx/ext/autodoc.py", line 1014, in format_signature
    return Documenter.format_signature(self)
  File "/usr/lib/python3/dist-packages/sphinx/ext/autodoc.py", line 480, in format_signature
    self.object, self.options, args, retann)
  File "/usr/lib/python3/dist-packages/sphinx/application.py", line 513, in emit_firstresult
    for result in self.emit(event, *args):
  File "/usr/lib/python3/dist-packages/sphinx/application.py", line 509, in emit
    results.append(callback(self, *args))
  File "/usr/local/lib/python3.5/dist-packages/typesafety/sphinxautodoc.py", line 44, in add_annotations_to_signature
    arg_spec = inspect.getfullargspec(func)
  File "/usr/lib/python3.5/inspect.py", line 1095, in getfullargspec
    raise TypeError('unsupported callable') from ex
TypeError: unsupported callable