Traceback (most recent call last):


 "/home/marcel/git/ultrabak/ultrabak/cmd.py", line 1, in <module>

import fire


 "/home/marcel/git/python-fire/fire/__init__.py", line 21, in <module>

from fire.core import Fire


 "/home/marcel/git/python-fire/fire/core.py", line 62, in <module>

from fire import completion


 "/home/marcel/git/python-fire/fire/completion.py", line 25, in <module>

from fire import inspectutils


 "/home/marcel/git/python-fire/fire/inspectutils.py", line 23, in <module>

import IPython


 "/home/marcel/.virtualenvs/ultrabak/lib/python3.5/site-packages/ipython-5.3.0-py3.5.egg/IPython/__init__.py", line 48, in <module>

from .core.application import Application


 "/home/marcel/.virtualenvs/ultrabak/lib/python3.5/site-packages/ipython-5.3.0-py3.5.egg/IPython/core/application.py", line 25, in <module>

from IPython.core import release, crashhandler


 "/home/marcel/.virtualenvs/ultrabak/lib/python3.5/site-packages/ipython-5.3.0-py3.5.egg/IPython/core/crashhandler.py", line 28, in <module>

from IPython.core import ultratb


 "/home/marcel/.virtualenvs/ultrabak/lib/python3.5/site-packages/ipython-5.3.0-py3.5.egg/IPython/core/ultratb.py", line 119, in <module>

from IPython.core import debugger


 "/home/marcel/.virtualenvs/ultrabak/lib/python3.5/site-packages/ipython-5.3.0-py3.5.egg/IPython/core/debugger.py", line 46, in <module>

from pdb import Pdb as OldPdb


 "/usr/lib/python3.5/pdb.py", line 135, in <module>

class Pdb(bdb.Bdb, cmd.Cmd):
AttributeError: module 'cmd' has no attribute 'Cmd'

Traceback (most recent call last):


 "c:\program files\python36\lib\site-packages\sphinx\cmdline.py", line 306, in main

app.build(opts.force_all, filenames)


 "c:\program files\python36\lib\site-packages\sphinx\application.py", line 339, in build

self.builder.build_update()


 "c:\program files\python36\lib\site-packages\sphinx\builders\__init__.py", line 331, in build_update

'out of date' % len(to_build))


 "c:\program files\python36\lib\site-packages\sphinx\builders\__init__.py", line 397, in build

self.write(docnames, list(updated_docnames), method)


 "c:\program files\python36\lib\site-packages\sphinx\builders\__init__.py", line 434, in write

self._write_serial(sorted(docnames))


 "c:\program files\python36\lib\site-packages\sphinx\builders\__init__.py", line 443, in _write_serial

self.write_doc(docname, doctree)


 "c:\program files\python36\lib\site-packages\sphinx\builders\html.py", line 561, in write_doc

self.handle_page(docname, ctx, event_arg=doctree)


 "c:\program files\python36\lib\site-packages\sphinx\builders\html.py", line 954, in handle_page

output = self.templates.render(templatename, ctx)


 "c:\program files\python36\lib\site-packages\sphinx\jinja2glue.py", line 176, in render

return self.environment.get_template(template).render(context)


 "c:\program files\python36\lib\site-packages\jinja2\asyncsupport.py", line 76, in render

return original_render(self, *args, **kwargs)


 "c:\program files\python36\lib\site-packages\jinja2\environment.py", line 1008, in render

return self.environment.handle_exception(exc_info, True)


 "c:\program files\python36\lib\site-packages\jinja2\environment.py", line 780, in handle_exception

reraise(exc_type, exc_value, tb)


 "c:\program files\python36\lib\site-packages\jinja2\_compat.py", line 37, in reraise

raise value.with_traceback(tb)


 "c:\program files\python36\lib\site-packages\sphinx\themes\basic\page.html", line 10, in top-level template code

{%- extends "layout.html" %}


 "c:\program files\python36\lib\site-packages\alabaster\layout.html", line 1, in top-level template code

{%- extends "basic/layout.html" %}


 "c:\program files\python36\lib\site-packages\sphinx\themes\basic\..\basic/layout.html", line 175, in top-level template code

{%- block content %}


 "c:\program files\python36\lib\site-packages\alabaster\layout.html", line 23, in block "content"

{{ sidebar() }}


 "c:\program files\python36\lib\site-packages\jinja2\sandbox.py", line 427, in call

return __context.call(__obj, *args, **kwargs)


 "c:\program files\python36\lib\site-packages\jinja2\runtime.py", line 579, in _invoke

rv = self._func(*arguments)


 "c:\program files\python36\lib\site-packages\sphinx\themes\basic\..\basic/layout.html", line 64, in template

{%- include sidebartemplate %}


 "c:\program files\python36\lib\site-packages\alabaster\navigation.html", line 2, in top-level template code

{{ toctree(includehidden=theme_sidebar_includehidden, collapse=theme_sidebar_collapse) }}


 "c:\program files\python36\lib\site-packages\jinja2\sandbox.py", line 427, in call

return __context.call(__obj, *args, **kwargs)


 "c:\program files\python36\lib\site-packages\sphinx\builders\html.py", line 943, in <lambda>

ctx['toctree'] = lambda **kw: self._get_local_toctree(pagename, **kw)


 "c:\program files\python36\lib\site-packages\sphinx\builders\html.py", line 856, in _get_local_toctree

docname, self, collapse, **kwds))['fragment']


 "c:\program files\python36\lib\site-packages\sphinx\builders\html.py", line 351, in render_partial

pub.publish()


 "c:\program files\python36\lib\site-packages\docutils\core.py", line 218, in publish

self.apply_transforms()


 "c:\program files\python36\lib\site-packages\docutils\core.py", line 199, in apply_transforms

self.document.transformer.apply_transforms()


 "c:\program files\python36\lib\site-packages\docutils\transforms\__init__.py", line 171, in apply_transforms

transform.apply(**kwargs)


 "c:\program files\python36\lib\site-packages\docutils\transforms\universal.py", line 308, in apply

txtnode.parent.replace(txtnode, nodes.Text(newtext,
AttributeError: 'NoneType' object has no attribute 'replace'
