Traceback (most recent call last):
File "D:\workspace\Traffic\src\AppiumAndroidTest\android_contacts.py", line 23, in setUp
self.driver = webdriver.Remote('http://localhost:4723/wd/hub', desired_caps)
File "C:\Python27\lib\site-packages\appium\webdriver\webdriver.py", line 34, in init
super(WebDriver, self).init(command_executor, desired_capabilities, browser_profile, proxy, keep_alive)
File "C:\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 73, in init
self.start_session(desired_capabilities, browser_profile)
File "C:\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 121, in start_session
'desiredCapabilities': desired_capabilities,
File "C:\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 171, in execute
response = self.command_executor.execute(driver_command, params)
File "C:\Python27\lib\site-packages\selenium\webdriver\remote\remote_connection.py", line 347, in execute
return self._request(command_info[0], url, body=data)
File "C:\Python27\lib\site-packages\selenium\webdriver\remote\remote_connection.py", line 415, in _request
resp = opener.open(request)
File "C:\Python27\lib\urllib2.py", line 391, in open
response = self._open(req, data)
File "C:\Python27\lib\urllib2.py", line 409, in _open
'_open', req)
File "C:\Python27\lib\urllib2.py", line 369, in _call_chain
result = func(*args)
File "C:\Python27\lib\urllib2.py", line 1173, in http_open
return self.do_open(httplib.HTTPConnection, req)
File "C:\Python27\lib\urllib2.py", line 1148, in do_open
raise URLError(err)
URLError:

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