I had some minimal updates in the "source" folder and rebuilt the HTML using make html command. Everything works fine and I synced the folder to GitHub. However, when I was rebuilding the doc on the Read the Docs website, I got an error like this right after cat source/conf.py :
AssertionError: wrong color format 'var(--jp-mirror-editor-variable-color)'
I just added some texts and fixed some typos in my documentation, nothing more. Why this error occurred and the build failed? Thanks.
Traceback (most recent call last):
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/sphinx/cmd/build.py", line 303, in build_main
args.tags, args.verbosity, args.jobs, args.keep_going)
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/sphinx/application.py", line 228, in __init__
self.setup_extension(extension)
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/sphinx/application.py", line 449, in setup_extension
self.registry.load_extension(self, extname)
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/sphinx/registry.py", line 472, in load_extension
mod = __import__(extname, None, None, ['setup'])
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/nbsphinx.py", line 41, in <module>
import nbconvert
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/nbconvert/__init__.py", line 4, in <module>
from .exporters import *
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/nbconvert/exporters/__init__.py", line 4, in <module>
from .slides import SlidesExporter
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/nbconvert/exporters/slides.py", line 12, in <module>
from ..preprocessors.base import Preprocessor
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/nbconvert/preprocessors/__init__.py", line 7, in <module>
from .csshtmlheader import CSSHTMLHeaderPreprocessor
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/nbconvert/preprocessors/csshtmlheader.py", line 14, in <module>
from jupyterlab_pygments import JupyterStyle
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/jupyterlab_pygments/__init__.py", line 4, in <module>
from .style import JupyterStyle
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/jupyterlab_pygments/style.py", line 10, in <module>
class JupyterStyle(Style):
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/pygments/style.py", line 101, in __new__
ndef[0] = colorformat(styledef)
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/pygments/style.py", line 58, in colorformat
assert False, "wrong color format %r" % text
AssertionError: wrong color format 'var(--jp-mirror-editor-variable-color)'
Exception occurred:
File "/home/docs/checkouts/readthedocs.org/user_builds/pkg_name/envs/latest/lib/python3.7/site-packages/pygments/style.py", line 58, in colorformat
assert False, "wrong color format %r" % text
AssertionError: wrong color format 'var(--jp-mirror-editor-variable-color)'
The full traceback has been saved in /tmp/sphinx-err-scp_kb7h.log, if you want to report the issue to the developers.
Please also report this if it was a user error, so that a better error message can be provided next time.
A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!