Error 'bubuteerror: & #39; _ NamespacePath & #39; object has no attribute & #39; sort & #39 ;',

The error 'bubuteerror: '_ NamespacePath 'object has no attribute 'sort ''is returned when zc. buildout is used to build a project '',

If 'bubuteerror: '_ NamespacePath 'object has no attribute 'sort ''is encountered during project construction using zc. buildout, an error is returned:

An internal error occurred due to a bug in either zc.buildout or in arecipe being used:Traceback (most recent call last):  File "c:\python36\lib\site-packages\zc\buildout\buildout.py", line 2123, in main    getattr(buildout, command)(args)  File "c:\python36\lib\site-packages\zc\buildout\buildout.py", line 680, in install    [self[part]['recipe'] for part in install_parts]  File "c:\python36\lib\site-packages\zc\buildout\buildout.py", line 680, in <listcomp>    [self[part]['recipe'] for part in install_parts]  File "c:\python36\lib\site-packages\zc\buildout\buildout.py", line 1274, in __getitem__    options._initialize()  File "c:\python36\lib\site-packages\zc\buildout\buildout.py", line 1382, in _initialize    self.initialize()  File "c:\python36\lib\site-packages\zc\buildout\buildout.py", line 1388, in initialize    recipe_class = _install_and_load(reqs, 'zc.buildout', entry, buildout)  File "c:\python36\lib\site-packages\zc\buildout\buildout.py", line 1338, in _install_and_load    allow_hosts=buildout._allow_hosts  File "c:\python36\lib\site-packages\zc\buildout\easy_install.py", line 920, in install    return installer.install(specs, working_set)  File "c:\python36\lib\site-packages\zc\buildout\easy_install.py", line 673, in install    ws.add(dist)  File "c:\python36\lib\site-packages\pkg_resources\__init__.py", line 790, in add    self._added_new(dist)  File "c:\python36\lib\site-packages\pkg_resources\__init__.py", line 990, in _added_new    callback(dist)  File "c:\python36\lib\site-packages\pkg_resources\__init__.py", line 3047, in <lambda>    add_activation_listener(lambda dist: dist.activate(replace=True), existing=False)  File "c:\python36\lib\site-packages\pkg_resources\__init__.py", line 2574, in activate    fixup_namespace_packages(self.location)  File "c:\python36\lib\site-packages\pkg_resources\__init__.py", line 2162, in fixup_namespace_packages    subpath = _handle_ns(package, path_item)  File "c:\python36\lib\site-packages\pkg_resources\__init__.py", line 2091, in _handle_ns    _rebuild_mod_path(path, packageName, module)  File "c:\python36\lib\site-packages\pkg_resources\__init__.py", line 2120, in _rebuild_mod_path    orig_path.sort(key=position_in_sys_path)AttributeError: '_NamespacePath' object has no attribute 'sort'

You can try to upgrade setuptools to solve this problem:

pip3 install --upgrade setuptools