Traceback (most recent call last):


 "comtypes\_comobject.pyc", line 147, in call_without_this


 "_UIAHandler.pyc", line 300, in IUIAutomationEventHandler_HandleAutomationEvent


 "NVDAObjects\__init__.pyc", line 86, in __call__


 "NVDAObjects\UIA\__init__.pyc", line 866, in findOverlayClasses


 "comtypes\__init__.pyc", line 279, in __getattr__


 "comtypesMonkeyPatches.pyc", line 26, in __call__
_ctypes.COMError: (-2147220991, '事件无法调用任何订户', (None, None, None, 0, None))


Traceback (most recent call last):


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


 "/tmp/pip-build-4atzmnkp/aiortc/setup.py", line 60, in <module>

install_requires=install_requires,


 "/usr/local/lib/python3.6/dist-packages/setuptools/__init__.py", line 160, in setup

_install_setup_requires(attrs)


 "/usr/local/lib/python3.6/dist-packages/setuptools/__init__.py", line 155, in _install_setup_requires

dist.fetch_build_eggs(dist.setup_requires)


 "/usr/local/lib/python3.6/dist-packages/setuptools/dist.py", line 698, in fetch_build_eggs

replace_conflicting=True,


 "/usr/local/lib/python3.6/dist-packages/pkg_resources/__init__.py", line 782, in resolve

replace_conflicting=replace_conflicting


 "/usr/local/lib/python3.6/dist-packages/pkg_resources/__init__.py", line 1065, in best_match

return self.obtain(req, installer)


 "/usr/local/lib/python3.6/dist-packages/pkg_resources/__init__.py", line 1077, in obtain

return installer(requirement)


 "/usr/local/lib/python3.6/dist-packages/setuptools/dist.py", line 754, in fetch_build_egg

return fetch_build_egg(self, req)


 "/usr/local/lib/python3.6/dist-packages/setuptools/installer.py", line 130, in fetch_build_egg

raise DistutilsError(str(e))

distutils.errors.DistutilsError: Command '['/usr/bin/python3', '-m', 'pip', '--disable-pip-version-check', 'wheel', '--no-deps', '-w', '/tmp/tmp5l4__eeh', '--quiet', 'cffi>=1.0.0']' returned non-zero exit status 1.
