Render the seek bar and rewind the video via seek bar slider

here is the error - seems to be sphinx-js:

[task 2022-11-22T02:41:17.947Z] #   reading sources... [ 88%] toolkit/components/pictureinpicture/pictureinpicture/player-api
[task 2022-11-22T02:41:17.947Z] # Loaded extensions:
[task 2022-11-22T02:41:17.947Z] #   sphinx.ext.mathjax (4.3.2) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx/ext/mathjax.py
[task 2022-11-22T02:41:17.947Z] #   sphinxcontrib.applehelp (1.0.2) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinxcontrib/applehelp/__init__.py
[task 2022-11-22T02:41:17.947Z] #   sphinxcontrib.devhelp (1.0.2) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinxcontrib/devhelp/__init__.py
[task 2022-11-22T02:41:17.947Z] #   sphinxcontrib.htmlhelp (2.0.0) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinxcontrib/htmlhelp/__init__.py
[task 2022-11-22T02:41:17.947Z] #   sphinxcontrib.serializinghtml (1.1.5) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinxcontrib/serializinghtml/__init__.py
[task 2022-11-22T02:41:17.947Z] #   sphinxcontrib.qthelp (1.0.3) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinxcontrib/qthelp/__init__.py
[task 2022-11-22T02:41:17.947Z] #   alabaster (0.7.12) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/alabaster/__init__.py
[task 2022-11-22T02:41:17.947Z] #   myst_parser (0.16.1) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/myst_parser/__init__.py
[task 2022-11-22T02:41:17.947Z] #   sphinx.ext.autodoc.preserve_defaults (1.0) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx/ext/autodoc/preserve_defaults.py
[task 2022-11-22T02:41:17.947Z] #   sphinx.ext.autodoc.type_comment (4.3.2) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx/ext/autodoc/type_comment.py
[task 2022-11-22T02:41:17.948Z] #   sphinx.ext.autodoc (4.3.2) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx/ext/autodoc/__init__.py
[task 2022-11-22T02:41:17.948Z] #   sphinx.ext.doctest (4.3.2) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx/ext/doctest.py
[task 2022-11-22T02:41:17.948Z] #   sphinx.ext.graphviz (4.3.2) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx/ext/graphviz.py
[task 2022-11-22T02:41:17.948Z] #   sphinx.ext.napoleon (4.3.2) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx/ext/napoleon/__init__.py
[task 2022-11-22T02:41:17.948Z] #   sphinx.ext.todo (4.3.2) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx/ext/todo.py
[task 2022-11-22T02:41:17.948Z] #   mozbuild.sphinx (unknown version) from /builds/worker/checkouts/gecko/python/mozbuild/mozbuild/sphinx.py
[task 2022-11-22T02:41:17.948Z] #   sphinx_js (unknown version) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_js/__init__.py
[task 2022-11-22T02:41:17.948Z] #   sphinxcontrib.mermaid (4.3.2) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinxcontrib/mermaid.py
[task 2022-11-22T02:41:17.948Z] #   sphinx_copybutton (0.5.0) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_copybutton/__init__.py
[task 2022-11-22T02:41:17.948Z] #   sphinx_markdown_tables (<module 'sphinx_markdown_tables.__version__' from '/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_markdown_tables/__version__.py'>) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_markdown_tables/__init__.py
[task 2022-11-22T02:41:17.948Z] #   sphinx_panels (0.6.0) from /builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_panels/__init__.py
[task 2022-11-22T02:41:17.948Z] #   bzlink (unknown version) from /builds/worker/checkouts/gecko/docs/_addons/bzlink.py
[task 2022-11-22T02:41:17.948Z]     results = StateMachineWS.run(self, input_lines, input_offset,
[task 2022-11-22T02:41:17.948Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/docutils/statemachine.py", line 241, in run
[task 2022-11-22T02:41:17.948Z]     context, next_state, result = self.check_line(
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/docutils/statemachine.py", line 459, in check_line
[task 2022-11-22T02:41:17.949Z]     return method(match, context, next_state)
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/docutils/parsers/rst/states.py", line 2769, in underline
[task 2022-11-22T02:41:17.949Z]     self.section(title, source, style, lineno - 1, messages)
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/docutils/parsers/rst/states.py", line 327, in section
[task 2022-11-22T02:41:17.949Z]     self.new_subsection(title, lineno, messages)
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/docutils/parsers/rst/states.py", line 393, in new_subsection
[task 2022-11-22T02:41:17.949Z]     newabsoffset = self.nested_parse(
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/docutils/parsers/rst/states.py", line 281, in nested_parse
[task 2022-11-22T02:41:17.949Z]     state_machine.run(block, input_offset, memo=self.memo,
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/docutils/parsers/rst/states.py", line 196, in run
[task 2022-11-22T02:41:17.949Z]     results = StateMachineWS.run(self, input_lines, input_offset)
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/docutils/statemachine.py", line 241, in run
[task 2022-11-22T02:41:17.949Z]     context, next_state, result = self.check_line(
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/docutils/statemachine.py", line 459, in check_line
[task 2022-11-22T02:41:17.949Z]     return method(match, context, next_state)
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/docutils/parsers/rst/states.py", line 2342, in explicit_markup
[task 2022-11-22T02:41:17.949Z]     nodelist, blank_finish = self.explicit_construct(match)
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/docutils/parsers/rst/states.py", line 2354, in explicit_construct
[task 2022-11-22T02:41:17.949Z]     return method(self, expmatch)
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/docutils/parsers/rst/states.py", line 2096, in directive
[task 2022-11-22T02:41:17.949Z]     return self.run_directive(
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/docutils/parsers/rst/states.py", line 2146, in run_directive
[task 2022-11-22T02:41:17.949Z]     result = directive_instance.run()
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx/domains/__init__.py", line 286, in run
[task 2022-11-22T02:41:17.949Z]     return super().run()
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_js/directives.py", line 60, in run
[task 2022-11-22T02:41:17.949Z]     return AutoClassRenderer.from_directive(self, app).rst_nodes()
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_js/renderers.py", line 76, in rst_nodes
[task 2022-11-22T02:41:17.949Z]     rst = self.rst(self._partial_path,
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_js/renderers.py", line 102, in rst
[task 2022-11-22T02:41:17.949Z]     return template.render(**self._template_vars(dotted_name, full_path, doclet))
[task 2022-11-22T02:41:17.949Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_js/renderers.py", line 245, in _template_vars
[task 2022-11-22T02:41:17.949Z]     members=self._members_of(full_path,
[task 2022-11-22T02:41:17.950Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_js/renderers.py", line 311, in _members_of
[task 2022-11-22T02:41:17.950Z]     return '\n\n'.join(
[task 2022-11-22T02:41:17.950Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_js/renderers.py", line 312, in <genexpr>
[task 2022-11-22T02:41:17.950Z]     rst_for(doclet) for doclet in doclets_to_include(include)
[task 2022-11-22T02:41:17.950Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_js/renderers.py", line 267, in rst_for
[task 2022-11-22T02:41:17.950Z]     return renderer(self._directive, self._app, arguments=['dummy']).rst(
[task 2022-11-22T02:41:17.950Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_js/renderers.py", line 102, in rst
[task 2022-11-22T02:41:17.950Z]     return template.render(**self._template_vars(dotted_name, full_path, doclet))
[task 2022-11-22T02:41:17.950Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_js/renderers.py", line 222, in _template_vars
[task 2022-11-22T02:41:17.950Z]     params=self._formal_params(doclet),
[task 2022-11-22T02:41:17.950Z]   File "/builds/worker/checkouts/gecko/obj-x86_64-pc-linux-gnu/_virtualenvs/docs/lib/python3.9/site-packages/sphinx_js/renderers.py", line 169, in _formal_params
[task 2022-11-22T02:41:17.950Z]     name = param['name'].split('.')[0]