-----------------
WHAT I AM DOING:
-----------------
Following steps described here
https://dip.torproject.org/torproject/web/tpo/wikis/Compiling-a-local-version-of-the-website

-----------------
WHAT I GET
-----------------

Traceback (most recent call last):
  File "c:\users\owner\appdata\local\lektor-cli\lib\lib\site-packages\lektor\builder.py", line 800, in update
    yield ctx
  File "c:\users\owner\appdata\local\lektor-cli\lib\lib\site-packages\lektor\builder.py", line 1070, in build_artifact
    build_func(artifact)
  File "c:\users\owner\appdata\local\lektor-cli\lib\lib\site-packages\lektor\build_programs.py", line 184, in build_artifact
    self.source['_template'], this=self.source)
  File "c:\users\owner\appdata\local\lektor-cli\lib\lib\site-packages\lektor\builder.py", line 655, in render_template_into
    this=this, **extra)
  File "c:\users\owner\appdata\local\lektor-cli\lib\lib\site-packages\lektor\environment.py", line 542, in render_template
    return self.jinja_env.get_or_select_template(name).render(ctx)
  File "c:\users\owner\appdata\local\lektor-cli\lib\lib\site-packages\jinja2\asyncsupport.py", line 76, in render
    return original_render(self, *args, **kwargs)
  File "c:\users\owner\appdata\local\lektor-cli\lib\lib\site-packages\jinja2\environment.py", line 1008, in render
    return self.environment.handle_exception(exc_info, True)
  File "c:\users\owner\appdata\local\lektor-cli\lib\lib\site-packages\jinja2\environment.py", line 780, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "c:\users\owner\appdata\local\lektor-cli\lib\lib\site-packages\jinja2\_compat.py", line 37, in reraise
    raise value.with_traceback(tb)
  File "C:\Users\Owner\Documents\Workspace\nghom\documentation\tpo\templates\jumbotron.html", line 1, in top-level template code
    {% extends "homepage.html" %}
  File "c:\users\owner\appdata\local\lektor-cli\lib\lib\site-packages\jinja2\environment.py", line 1005, in render
    return concat(self.root_render_func(self.new_context(vars)))
  File "C:\Users\Owner\Documents\Workspace\nghom\documentation\tpo\templates\jumbotron.html", line 14, in root

  File "C:\Users\Owner\Documents\Workspace\nghom\documentation\tpo\templates\homepage.html", line 13, in root
    <div class="row flex-xl-nowrap">
  File "C:\Users\Owner\Documents\Workspace\nghom\documentation\tpo\templates\meta.html", line 19, in root

  File "c:\users\owner\appdata\local\lektor-cli\lib\lib\site-packages\jinja2\runtime.py", line 630, in _fail_with_undefined_error
    raise self._undefined_exception(hint)
jinja2.exceptions.UndefinedError: '_' is undefined