$ jb build MyCoolBook Running Jupyter-Book v0.8.3 Source Folder: D:\Documents\Jupyter Books\MyCoolBook Config Path: D:\Documents\Jupyter Books\MyCoolBook\_config.yml Output Path: D:\Documents\Jupyter Books\MyCoolBook\_build\html ←[01mRunning Sphinx v3.2.1←[39;49;00m ←[01mmaking output directory... ←[39;49;00mdone ←[01mmyst v0.12.10:←[39;49;00m MdParserConfig(renderer='sphinx', commonmark_only=False, dmath_enable=True, dmath_allow_labels=True, dmath_allow_space=True, dmath_allow_digits=True, amsmath_enable=False, deflist_enable=False, update_mathjax=True, admonition_enable=False, figure_ena ble=False, disable_syntax=[], html_img_enable=False, url_schemes=['mailto', 'http', 'https'], heading_anchors=None) ←[01mbuilding [mo]: ←[39;49;00mtargets for 0 po files that are out of date ←[01mbuilding [html]: ←[39;49;00mtargets for 4 source files that are out of date ←[01mupdating environment: ←[39;49;00m[new config] 4 added, 0 changed, 0 removed ←[01mchecking for D:\Documents\Jupyter Books\MyCoolBook\references.bib in bibtex cache... ←[39;49;00mnot found ←[01mparsing bibtex file D:\Documents\Jupyter Books\MyCoolBook\references.bib... ←[39;49;00mparsed 5 entries Executing: notebooks in: D:\Documents\Jupyter Books\MyCoolBook9;00m ←[91mException occurred:←[39;49;00m File "d:\software\miniconda\envs\myenv\lib\asyncio\events.py", line 501, in add_reader raise NotImplementedError NotImplementedError ←[91mThe full traceback has been saved in C:\Users\Public\Documents\Wondershare\CreatorTemp\sphinx-err-ax195so6.log, if you want to report the issue to the developers.←[39;49;00m 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 . Thanks! Traceback (most recent call last): File "d:\software\miniconda\envs\myenv\lib\site-packages\jupyter_book\sphinx.py", line 141, in build_sphinx app.build(force_all, filenames) File "d:\software\miniconda\envs\myenv\lib\site-packages\sphinx\application.py", line 348, in build self.builder.build_update() File "d:\software\miniconda\envs\myenv\lib\site-packages\sphinx\builders\__init__.py", line 297, in build_update self.build(to_build, File "d:\software\miniconda\envs\myenv\lib\site-packages\sphinx\builders\__init__.py", line 311, in build updated_docnames = set(self.read()) File "d:\software\miniconda\envs\myenv\lib\site-packages\sphinx\builders\__init__.py", line 418, in read self._read_serial(docnames) File "d:\software\miniconda\envs\myenv\lib\site-packages\sphinx\builders\__init__.py", line 439, in _read_serial self.read_doc(docname) File "d:\software\miniconda\envs\myenv\lib\site-packages\sphinx\builders\__init__.py", line 479, in read_doc doctree = read_doc(self.app, self.env, self.env.doc2path(docname)) File "d:\software\miniconda\envs\myenv\lib\site-packages\sphinx\io.py", line 223, in read_doc pub.publish() File "d:\software\miniconda\envs\myenv\lib\site-packages\docutils\core.py", line 217, in publish self.document = self.reader.read(self.source, self.parser, File "d:\software\miniconda\envs\myenv\lib\site-packages\sphinx\io.py", line 128, in read self.parse() File "d:\software\miniconda\envs\myenv\lib\site-packages\docutils\readers\__init__.py", line 77, in parse self.parser.parse(self.input, document) File "d:\software\miniconda\envs\myenv\lib\site-packages\myst_nb\parser.py", line 75, in parse ntbk = generate_notebook_outputs( File "d:\software\miniconda\envs\myenv\lib\site-packages\myst_nb\execution.py", line 138, in generate_notebook_outputs result = single_nb_execution( File "d:\software\miniconda\envs\myenv\lib\site-packages\jupyter_cache\executors\utils.py", line 51, in single_nb_execution executenb( File "d:\software\miniconda\envs\myenv\lib\site-packages\nbclient\client.py", line 1087, in execute return NotebookClient(nb=nb, resources=resources, km=km, **kwargs).execute() File "d:\software\miniconda\envs\myenv\lib\site-packages\nbclient\util.py", line 74, in wrapped return just_run(coro(*args, **kwargs)) File "d:\software\miniconda\envs\myenv\lib\site-packages\nbclient\util.py", line 53, in just_run return loop.run_until_complete(coro) File "d:\software\miniconda\envs\myenv\lib\asyncio\base_events.py", line 616, in run_until_complete return future.result() File "d:\software\miniconda\envs\myenv\lib\site-packages\nbclient\client.py", line 524, in async_execute async with self.async_setup_kernel(**kwargs): File "d:\software\miniconda\envs\myenv\lib\site-packages\async_generator\_util.py", line 34, in __aenter__ return await self._agen.asend(None) File "d:\software\miniconda\envs\myenv\lib\site-packages\nbclient\client.py", line 483, in async_setup_kernel await self.async_start_new_kernel_client() File "d:\software\miniconda\envs\myenv\lib\site-packages\nbclient\client.py", line 408, in async_start_new_kernel_client await ensure_async(self.kc.start_channels()) File "d:\software\miniconda\envs\myenv\lib\site-packages\jupyter_client\client.py", line 106, in start_channels self.shell_channel.start() File "d:\software\miniconda\envs\myenv\lib\site-packages\jupyter_client\client.py", line 151, in shell_channel socket = self.connect_shell(identity=self.session.bsession) File "d:\software\miniconda\envs\myenv\lib\site-packages\jupyter_client\connect.py", line 561, in connect_shell return self._create_connected_socket('shell', identity=identity) File "d:\software\miniconda\envs\myenv\lib\site-packages\jupyter_client\connect.py", line 545, in _create_connected_socket sock = self.context.socket(socket_type) File "d:\software\miniconda\envs\myenv\lib\site-packages\zmq\sugar\context.py", line 226, in socket s = self._socket_class(self, socket_type, **kwargs) File "d:\software\miniconda\envs\myenv\lib\site-packages\zmq\_future.py", line 144, in __init__ self._init_io_state() File "d:\software\miniconda\envs\myenv\lib\site-packages\zmq\asyncio\__init__.py", line 53, in _init_io_state self.io_loop.add_reader(self._fd, lambda : self._handle_events(0, 0)) File "d:\software\miniconda\envs\myenv\lib\asyncio\events.py", line 501, in add_reader raise NotImplementedError NotImplementedError The above exception was the direct cause of the following exception: Traceback (most recent call last): File "d:\software\miniconda\envs\myenv\lib\runpy.py", line 194, in _run_module_as_main return _run_code(code, main_globals, None, File "d:\software\miniconda\envs\myenv\lib\runpy.py", line 87, in _run_code exec(code, run_globals) File "D:\Software\Miniconda\envs\MyEnv\Scripts\jb.exe\__main__.py", line 7, in File "d:\software\miniconda\envs\myenv\lib\site-packages\click\core.py", line 829, in __call__ return self.main(*args, **kwargs) File "d:\software\miniconda\envs\myenv\lib\site-packages\click\core.py", line 782, in main rv = self.invoke(ctx) File "d:\software\miniconda\envs\myenv\lib\site-packages\click\core.py", line 1259, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File "d:\software\miniconda\envs\myenv\lib\site-packages\click\core.py", line 1066, in invoke return ctx.invoke(self.callback, **ctx.params) File "d:\software\miniconda\envs\myenv\lib\site-packages\click\core.py", line 610, in invoke return callback(*args, **kwargs) File "d:\software\miniconda\envs\myenv\lib\site-packages\jupyter_book\commands\__init__.py", line 259, in build builder_specific_actions( File "d:\software\miniconda\envs\myenv\lib\site-packages\jupyter_book\commands\__init__.py", line 500, in builder_specific_actions raise RuntimeError(_message_box(msg, color="red", doprint=False)) from result RuntimeError: ←[91m===============================================================================←[0m There was an error in building your book. Look above for the cause. ←[91m===============================================================================←[0m Error in atexit._run_exitfuncs: Traceback (most recent call last): File "d:\software\miniconda\envs\myenv\lib\site-packages\nbclient\client.py", line 365, in _async_cleanup_kernel await ensure_async(self.kc.stop_channels()) File "d:\software\miniconda\envs\myenv\lib\site-packages\jupyter_client\client.py", line 125, in stop_channels if self.shell_channel.is_alive(): File "d:\software\miniconda\envs\myenv\lib\site-packages\jupyter_client\client.py", line 151, in shell_channel socket = self.connect_shell(identity=self.session.bsession) File "d:\software\miniconda\envs\myenv\lib\site-packages\jupyter_client\connect.py", line 561, in connect_shell return self._create_connected_socket('shell', identity=identity) File "d:\software\miniconda\envs\myenv\lib\site-packages\jupyter_client\connect.py", line 545, in _create_connected_socket sock = self.context.socket(socket_type) File "d:\software\miniconda\envs\myenv\lib\site-packages\zmq\sugar\context.py", line 226, in socket s = self._socket_class(self, socket_type, **kwargs) File "d:\software\miniconda\envs\myenv\lib\site-packages\zmq\_future.py", line 144, in __init__ self._init_io_state() File "d:\software\miniconda\envs\myenv\lib\site-packages\zmq\asyncio\__init__.py", line 53, in _init_io_state self.io_loop.add_reader(self._fd, lambda : self._handle_events(0, 0)) File "d:\software\miniconda\envs\myenv\lib\asyncio\events.py", line 501, in add_reader raise NotImplementedError NotImplementedError Exception ignored in: Traceback (most recent call last): File "d:\software\miniconda\envs\myenv\lib\site-packages\zmq\sugar\socket.py", line 67, in __del__ self.close() File "d:\software\miniconda\envs\myenv\lib\site-packages\zmq\_future.py", line 160, in close self._clear_io_state() File "d:\software\miniconda\envs\myenv\lib\site-packages\zmq\asyncio\__init__.py", line 60, in _clear_io_state self.io_loop.remove_reader(self._fd) File "d:\software\miniconda\envs\myenv\lib\asyncio\events.py", line 504, in remove_reader raise NotImplementedError NotImplementedError: Exception ignored in: Traceback (most recent call last): File "d:\software\miniconda\envs\myenv\lib\site-packages\zmq\sugar\socket.py", line 67, in __del__ File "d:\software\miniconda\envs\myenv\lib\site-packages\zmq\_future.py", line 160, in close File "d:\software\miniconda\envs\myenv\lib\site-packages\zmq\asyncio\__init__.py", line 60, in _clear_io_state File "d:\software\miniconda\envs\myenv\lib\asyncio\events.py", line 504, in remove_reader NotImplementedError: