[Ovmsdev] Trouble building the documentation

[Craig Leres]

I saw a couple of ssh related changes I wanted to make and tried 
building the docs for the first time in a long time. sphinx chews it, 
log appended.

I think I meet docs/source/requirements.txt:

     m2r
     docutils<0.18
     mistune<2.0.0

as I have:

     py38-m2r-0.2.1_1
     py38-docutils-0.17.1,1
     py38-mistune-0.8.4

Hopefully it's obvious what I'm doing wrong?

		Craig

# Sphinx version: 4.3.1
# Python version: 3.8.12 (CPython)
# Docutils version: 0.17.1 release
# Jinja2 version: 3.0.1
# Last messages:

# Loaded extensions:
Traceback (most recent call last):
   File "/usr/local/lib/python3.8/site-packages/sphinx/cmd/build.py", 
line 276, i
n build_main
     app = Sphinx(args.sourcedir, args.confdir, args.outputdir,
   File "/usr/local/lib/python3.8/site-packages/sphinx/application.py", 
line 237,
  in __init__
     self.setup_extension(extension)
   File "/usr/local/lib/python3.8/site-packages/sphinx/application.py", 
line 394,
  in setup_extension
     self.registry.load_extension(self, extname)
   File "/usr/local/lib/python3.8/site-packages/sphinx/registry.py", 
line 442, in
  load_extension
     metadata = setup(app)
   File "/usr/local/lib/python3.8/site-packages/m2r.py", line 652, in setup
     app.add_source_parser('.md', M2RParser)
   File "/usr/local/lib/python3.8/site-packages/sphinx/application.py", 
line 1186
, in add_source_parser
     self.registry.add_source_parser(parser, override=override)
   File "/usr/local/lib/python3.8/site-packages/sphinx/registry.py", 
line 273, in
  add_source_parser
     for filetype in parser.supported:
AttributeError: 'str' object has no attribute 'supported'