Traceback (most recent call last):


 "/usr/lib/python2.7/site-packages/pika/diagnostic_utils.py", line 53, in log_exception_func_wrap

return func(*args, **kwargs)


 "/usr/lib/python2.7/site-packages/pika/adapters/utils/io_services_utils.py", line 1093, in _on_socket_writable

'but _tx_buffers is empty.', self._state)
AssertionError: ('_AsyncPlaintextTransport._on_socket_writable() called, but _tx_buffers is empty.', 1)

Traceback (most recent call last):


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/site-packages/sphinx/cmd/build.py", line 300, in build_main

app = Sphinx(args.sourcedir, args.confdir, args.outputdir,


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/site-packages/sphinx/application.py", line 228, in __init__

self.setup_extension(extension)


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/site-packages/sphinx/application.py", line 449, in setup_extension

self.registry.load_extension(self, extname)


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/site-packages/sphinx/registry.py", line 472, in load_extension

mod = __import__(extname, None, None, ['setup'])


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/site-packages/nbsphinx.py", line 41, in <module>

import nbconvert


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/site-packages/nbconvert/__init__.py", line 4, in <module>

from .exporters import *


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/site-packages/nbconvert/exporters/__init__.py", line 4, in <module>

from .slides import SlidesExporter


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/site-packages/nbconvert/exporters/slides.py", line 12, in <module>

from ..preprocessors.base import Preprocessor


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/site-packages/nbconvert/preprocessors/__init__.py", line 7, in <module>

from .csshtmlheader import CSSHTMLHeaderPreprocessor


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/site-packages/nbconvert/preprocessors/csshtmlheader.py", line 14, in <module>

from jupyterlab_pygments import JupyterStyle


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/site-packages/jupyterlab_pygments/__init__.py", line 4, in <module>

from .style import JupyterStyle


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/site-packages/jupyterlab_pygments/style.py", line 10, in <module>

class JupyterStyle(Style):


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/site-packages/pygments/style.py", line 101, in __new__

ndef[0] = colorformat(styledef)


 "/home/docs/checkouts/readthedocs.org/user_builds/pint/envs/0.16/lib/python3.8/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)'
