我需要将ldtp用于项目。我下载了源代码，安装了依赖项，然后使用python setup.py install安装了ldtp。我试图让这个工作在远程机器上，这是一个使用终端（ssh）的VM（kvm）。一切都很顺利，但当我import ldtp时，我收到以下错误：
>> import ldtp
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "ldtpd/__init__.py", line 64, in main
from xmlrpc_daemon import XMLRPCLdtpd
File "ldtpd/xmlrpc_daemon.py", line 25, in <module>
import core
File "ldtpd/core.py", line 24, in <module>
from pyatspi import findDescendant, Registry
File "/usr/lib/python2.7/dist-packages/pyatspi/__init__.py", line 19, in <module>
from pyatspi.Accessibility import *
File "/usr/lib/python2.7/dist-packages/pyatspi/Accessibility.py", line 111, in <module>
Accessible = Atspi.Accessible
File "/usr/lib/python2.7/dist-packages/gi/module.py", line 313, in __getattr__
return getattr(self._introspection_module, name)
File "/usr/lib/python2.7/dist-packages/gi/module.py", line 176, in __getattr__
interfaces = tuple(interface for interface in get_interfaces_for_object(info)
File "/usr/lib/python2.7/dist-packages/gi/module.py", line 104, in get_interfaces_for_object
interfaces.append(getattr(module, name))
File "/usr/lib/python2.7/dist-packages/gi/module.py", line 313, in __getattr__
return getattr(self._introspection_module, name)
File "/usr/lib/python2.7/dist-packages/gi/module.py", line 215, in __getattr__
wrapper = metaclass(name, bases, dict_)
File "/usr/lib/python2.7/dist-packages/gi/types.py", line 194, in __init__
register_interface_info(cls.__info__.get_g_type())
TypeError: must be an interface
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "ldtp/__init__.py", line 565, in <module>
_populateNamespace(globals())
File "ldtp/__init__.py", line 233, in _populateNamespace
for method in client._client.system.listMethods():
File "/usr/lib/python2.7/xmlrpclib.py", line 1224, in __call__
return self.__send(self.__name, args)
File "/usr/lib/python2.7/xmlrpclib.py", line 1578, in __request
verbose=self.__verbose
File "ldtp/client.py", line 139, in request
self.send_content(h, request_body)
File "/usr/lib/python2.7/xmlrpclib.py", line 1439, in send_content
connection.endheaders(request_body)
File "/usr/lib/python2.7/httplib.py", line 997, in endheaders
self._send_output(message_body)
File "/usr/lib/python2.7/httplib.py", line 850, in _send_output
self.send(msg)
File "/usr/lib/python2.7/httplib.py", line 812, in send
self.connect()
File "/usr/lib/python2.7/httplib.py", line 793, in connect
self.timeout, self.source_address)
File "/usr/lib/python2.7/socket.py", line 571, in create_connection
raise err
socket.error: [Errno 111] Connection refused
任何帮助都将不胜感激。