Traceback (most recent call last):


 "/Users/walter/pyvenvs/ipython-bad/bin/ipython", line 8, in <module>

sys.exit(start_ipython())


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/__init__.py", line 126, in start_ipython

return launch_new_instance(argv=argv, **kwargs)


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/traitlets/config/application.py", line 837, in launch_instance

app.start()


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/terminal/ipapp.py", line 356, in start

self.shell.mainloop()


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/terminal/interactiveshell.py", line 564, in mainloop

self.interact()


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/terminal/interactiveshell.py", line 555, in interact

self.run_cell(code, store_history=True)


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/interactiveshell.py", line 2876, in run_cell

result = self._run_cell(


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/interactiveshell.py", line 2927, in _run_cell

self.showtraceback(running_compiled_code=True)


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/interactiveshell.py", line 2046, in showtraceback

stb = self.InteractiveTB.structured_traceback(etype,


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/ultratb.py", line 1435, in structured_traceback

return FormattedTB.structured_traceback(


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/ultratb.py", line 1335, in structured_traceback

return VerboseTB.structured_traceback(


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/ultratb.py", line 1210, in structured_traceback

formatted_exceptions += self.format_exception_as_a_whole(etype, evalue, etb, lines_of_context,


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/ultratb.py", line 1152, in format_exception_as_a_whole

frames = self.format_records(records, last_unique, recursion_repeat)


 "/Users/walter/pyvenvs/ipython-bad/lib/python3.8/site-packages/IPython/core/ultratb.py", line 891, in format_records

if r[0].f_locals.get("__tracebackhide__", 0):
AttributeError: 'list' object has no attribute 'get'

Traceback (most recent call last):


 "/usr/local/bin/mkdocs", line 8, in <module>

sys.exit(cli())


 "/usr/local/lib/python3.9/site-packages/click/core.py", line 829, in __call__

return self.main(*args, **kwargs)


 "/usr/local/lib/python3.9/site-packages/click/core.py", line 782, in main

rv = self.invoke(ctx)


 "/usr/local/lib/python3.9/site-packages/click/core.py", line 1259, in invoke

return _process_result(sub_ctx.command.invoke(sub_ctx))


 "/usr/local/lib/python3.9/site-packages/click/core.py", line 1066, in invoke

return ctx.invoke(self.callback, **ctx.params)


 "/usr/local/lib/python3.9/site-packages/click/core.py", line 610, in invoke

return callback(*args, **kwargs)


 "/usr/local/lib/python3.9/site-packages/mkdocs/__main__.py", line 152, in build_command

build.build(config.load_config(**kwargs), dirty=not clean)


 "/usr/local/lib/python3.9/site-packages/mkdocs/commands/build.py", line 271, in build

_populate_page(file.page, config, files, dirty)


 "/usr/local/lib/python3.9/site-packages/mkdocs/commands/build.py", line 171, in _populate_page

page.render(config, files)


 "/usr/local/lib/python3.9/site-packages/mkdocs/structure/pages.py", line 175, in render

self.content = md.convert(self.markdown)


 "/usr/local/lib/python3.9/site-packages/markdown/core.py", line 261, in convert

self.lines = prep.run(self.lines)


 "/usr/local/lib/python3.9/site-packages/markdown/preprocessors.py", line 81, in run

parser.close()


 "/usr/local/lib/python3.9/site-packages/markdown/htmlparser.py", line 78, in close

super().close()


 "/usr/local/lib/python3.9/html/parser.py", line 114, in close

self.goahead(1)


 "/usr/local/lib/python3.9/html/parser.py", line 172, in goahead

k = self.parse_endtag(i)


 "/usr/local/lib/python3.9/html/parser.py", line 420, in parse_endtag

self.handle_endtag(elem)


 "/usr/local/lib/python3.9/site-packages/markdown/htmlparser.py", line 148, in handle_endtag

text = self.get_endtag_text(tag)


 "/usr/local/lib/python3.9/site-packages/markdown/htmlparser.py", line 118, in get_endtag_text

start = self.line_offset + self.offset


 "/usr/local/lib/python3.9/site-packages/markdown/htmlparser.py", line 95, in line_offset

return re.match(r'([^\n]*\n){{{}}}'.format(self.lineno-1), self.rawdata).end()
AttributeError: 'NoneType' object has no attribute 'end'
