Docs failing - Githubissues

Docs are failing. Getting a cryptic error message on readthedocs and locally.

Here is the command:

python -m sphinx -T -E -b html -d _build/doctrees -D language=en docs/source html/html

And the error, from the logs:

# Platform:         linux; (Linux-5.15.0-84-generic-x86_64-with-glibc2.31)
# Sphinx version:   6.2.1
# Python version:   3.9.4 (CPython)
# Docutils version: 0.19
# Jinja2 version:   3.0.3
# Pygments version: 2.15.1

# Last messages:
#   looking for now-outdated files...
#   none found
#   pickling environment...
#   done
#   checking consistency...
#   done
#   preparing documents...
#   done
#   writing output... [ 12%] API
#   writing output... [ 25%] bandwidth

# Loaded extensions:
#   sphinx.ext.mathjax (6.2.1)
#   alabaster (0.7.12)
#   sphinxcontrib.applehelp (1.0.2)
#   sphinxcontrib.devhelp (1.0.2)
#   sphinxcontrib.htmlhelp (2.0.1)
#   sphinxcontrib.serializinghtml (1.1.5)
#   sphinxcontrib.qthelp (1.0.3)
#   sphinx.ext.autodoc.preserve_defaults (6.2.1)
#   sphinx.ext.autodoc.type_comment (6.2.1)
#   sphinx.ext.autodoc.typehints (6.2.1)
#   sphinx.ext.autodoc (6.2.1)
#   sphinx.ext.intersphinx (6.2.1)
#   sphinx.ext.viewcode (6.2.1)
#   sphinx.ext.napoleon (6.2.1)
#   sphinx.ext.autosummary (6.2.1)
#   sphinx.ext.extlinks (6.2.1)
#   numpydoc (1.5.0)
#   nbsphinx (0.9.2)
#   matplotlib.sphinxext.plot_directive (3.7.1)
#   IPython.sphinxext.ipython_directive (unknown version)
#   IPython.sphinxext.ipython_console_highlighting (unknown version)

# Traceback:
Traceback (most recent call last):
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/sphinx/cmd/build.py", line 285, in build_main
    app.build(args.force_all, args.filenames)
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/sphinx/application.py", line 353, in build
    self.builder.build_update()
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/sphinx/builders/__init__.py", line 311, in build_update
    self.build(to_build,
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/sphinx/builders/__init__.py", line 378, in build
    self.write(docnames, list(updated_docnames), method)
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/sphinx/builders/__init__.py", line 586, in write
    self._write_serial(sorted(docnames))
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/sphinx/builders/__init__.py", line 596, in _write_serial
    self.write_doc(docname, doctree)
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/sphinx/builders/html/__init__.py", line 666, in write_doc
    self.docwriter.write(doctree, destination)
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/docutils/writers/__init__.py", line 77, in write
    self.translate()
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/sphinx/writers/html.py", line 37, in translate
    self.document.walkabout(visitor)
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/docutils/nodes.py", line 186, in walkabout
    if child.walkabout(visitor):
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/docutils/nodes.py", line 186, in walkabout
    if child.walkabout(visitor):
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/docutils/nodes.py", line 178, in walkabout
    visitor.dispatch_visit(self)
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/sphinx/util/docutils.py", line 581, in dispatch_visit
    method(node)
  File "/home/tommy/anaconda3/envs/py39/lib/python3.9/site-packages/sphinx/writers/html5.py", line 224, in visit_reference
    assert len(node) == 1 and isinstance(node[0], nodes.image)  # NoQA: PT018
AssertionError

tommyod / KDEpy

Docs failing #156