`Traceback (most recent call last):


 "/usr/bin/variety", line 38, in <module>

import variety


 "/usr/lib/python3/dist-packages/variety/__init__.py", line 93, in <module>

from variety import VarietyWindow


 "/usr/lib/python3/dist-packages/variety/VarietyWindow.py", line 51, in <module>

from variety.PreferencesVarietyDialog import PreferencesVarietyDialog


 "/usr/lib/python3/dist-packages/variety/PreferencesVarietyDialog.py", line 24, in <module>

from variety.Util import Util


 "/usr/lib/python3/dist-packages/variety/Util.py", line 16, in <module>

import bs4


 "/usr/lib/python3/dist-packages/bs4/__init__.py", line 30, in <module>

from .builder import builder_registry, ParserRejectedMarkup


 "/usr/lib/python3/dist-packages/bs4/builder/__init__.py", line 314, in <module>

from . import _html5lib


 "/usr/lib/python3/dist-packages/bs4/builder/_html5lib.py", line 70, in <module>

class TreeBuilderForHtml5lib(html5lib.treebuilders._base.TreeBuilder):
AttributeError: module 'html5lib.treebuilders' has no attribute '_base'


Traceback (most recent call last):


 "<string>", line 1, in <module>


 "/private/var/folders/80/5dkl_lsn4nb9bx57_chc4qtr0000gn/T/pip-wheel-5u137z6b/distribute/setuptools/__init__.py", line 2, in <module>

from setuptools.extension import Extension, Library


 "/private/var/folders/80/5dkl_lsn4nb9bx57_chc4qtr0000gn/T/pip-wheel-5u137z6b/distribute/setuptools/extension.py", line 5, in <module>

from setuptools.dist import _get_unpatched


 "/private/var/folders/80/5dkl_lsn4nb9bx57_chc4qtr0000gn/T/pip-wheel-5u137z6b/distribute/setuptools/dist.py", line 7, in <module>

from setuptools.command.install import install


 "/private/var/folders/80/5dkl_lsn4nb9bx57_chc4qtr0000gn/T/pip-wheel-5u137z6b/distribute/setuptools/command/__init__.py", line 8, in <module>

from setuptools.command import install_scripts


 "/private/var/folders/80/5dkl_lsn4nb9bx57_chc4qtr0000gn/T/pip-wheel-5u137z6b/distribute/setuptools/command/install_scripts.py", line 3, in <module>

from pkg_resources import Distribution, PathMetadata, ensure_directory


 "/private/var/folders/80/5dkl_lsn4nb9bx57_chc4qtr0000gn/T/pip-wheel-5u137z6b/distribute/pkg_resources.py", line 1518, in <module>

register_loader_type(importlib_bootstrap.Source
Loader, DefaultProvider)

AttributeError: module 'importlib._bootstrap' has no attribute 'Source
Loader'
