学习selenium时，如果sleep时间大于等于5秒，就会提示ConnectionResetError: [Errno 54] Connection reset by peer。
换成chrome浏览器，可以正常运行。
#demo.py
from selenium import webdriver from time import sleep, ctime #chrome #driver = webdriver.Chrome(executable_path='//Users/csj/Desktop/seleniumdriver/chromedriver/chromedriver') #Firefoxdriver 21.0 driver = webdriver.Firefox(executable_path='//Users/csj/Desktop/seleniumdriver/firefoxdriver/21.0/geckodriver') #Firefoxdriver 20.1 #driver = webdriver.Firefox(executable_path='//Users/csj/Desktop/seleniumdriver/firefoxdriver/20.1/geckodriver') #Firefoxdriver 20.0 #driver = webdriver.Firefox(executable_path='//Users/csj/Desktop/seleniumdriver/firefoxdriver/20.0/geckodriver') #Firefox 19.1 #driver = webdriver.Firefox(executable_path='//Users/csj/Desktop/seleniumdriver/firefoxdriver/19.1/geckodriver') driver.implicitly_wait(10) driver.get("http://www.baidu.com") print(ctime()) sleep(5) print(ctime()) driver.find_element_by_id("kw").send_keys("selenium") driver.close()``` 使用Firefoxdriver 21.0，报如下错误： Traceback (most recent call last): File "/Users/csj/PycharmProjects/untitled/demo.py", line 13, in <module> driver.find_element_by_id("kw").send_keys("selenium") File "/Users/csj/anaconda/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py", line 353, in find_element_by_id return self.find_element(by=By.ID, value=id_) File "/Users/csj/anaconda/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py", line 957, in find_element 'value': value})['value'] File "/Users/csj/anaconda/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py", line 312, in execute response = self.command_executor.execute(driver_command, params) File "/Users/csj/anaconda/lib/python3.6/site-packages/selenium/webdriver/remote/remote_connection.py", line 472, in execute return self._request(command_info[0], url, body=data) File "/Users/csj/anaconda/lib/python3.6/site-packages/selenium/webdriver/remote/remote_connection.py", line 496, in _request resp = self._conn.getresponse() File "/Users/csj/anaconda/lib/python3.6/http/client.py", line 1331, in getresponse response.begin() File "/Users/csj/anaconda/lib/python3.6/http/client.py", line 297, in begin version, status, reason = self._read_status() File "/Users/csj/anaconda/lib/python3.6/http/client.py", line 258, in _read_status line = str(self.fp.readline