硒python send_keys停止工作

Question

This short trivial code worked fine as of bef. yesterday, but now send_keys is not working anymore:

from selenium import webdriver
driver = webdriver.Chrome()
driver.get("http://www.google.com")
elem = driver.find_element_by_name("q")
elem.send_keys("Hello WebDriver!")
elem.submit()
print(driver.title)

This is the stack trace:

C:\Users\Rui\PycharmProjects\geo\venv\Scripts\python.exe C:/Users/Rui/PycharmProjects/geo/send_keys.py
debug value ('Hello WebDriver!',)
Traceback (most recent call last):
  File "C:/Users/Rui/PycharmProjects/geo/send_keys.py", line 5, in <module>
    elem.send_keys("Hello WebDriver!")
  File "C:\Users\Rui\PycharmProjects\geo\venv\lib\site-packages\selenium\webdriver\remote\webelement.py", line 483, in send_keys
    'value': keys_to_typing(value)})
  File "C:\Users\Rui\PycharmProjects\geo\venv\lib\site-packages\selenium\webdriver\remote\webelement.py", line 632, in _execute
    return self._parent.execute(command, params)
  File "C:\Users\Rui\PycharmProjects\geo\venv\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 312, in execute
    self.error_handler.check_response(response)
  File "C:\Users\Rui\PycharmProjects\geo\venv\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 242, in check_response
    raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: unknown error: call function result missing 'value'
  (Session info: chrome=65.0.3325.181)
  (Driver info: chromedriver=2.34.522940 (1a76f96f66e3ca7b8e57d503b4dd3bccfba87af1),platform=Windows NT

6.1.7601 SP1 x86)

Process finished with exit code 1

(the string:

debug value ('Hello WebDriver!',)

results that trying to understang what is going on, in "webelement.py" I added this line "print("debug value " + str(value))":

def send_keys(self, *value):
    # 2018MAR25
    # send_key generating errors since 2018MAR24!
    print("debug value " + str(value))

And as it really prints "debug value ('Hello WebDriver!',)" I cannot understand why "webelement.py" is complaining that "call function result missing 'value'"

Can someone enlighten me? How can i solve this issue? I noticed that Chrome was updated to 65 around this date, could it be related?

Windows 7 32 bit

Selenium 3.11.0

Python 3.6.4

2017-12-19 Chrome

65.0.3325.181 2018-03-22

Thanks, Rec

Answer 1

Your chrome driver seems not latest. if you are using chrome 65 then you need latest chrome driver.

Please take latest version of chrome driver from here : https://chromedriver.storage.googleapis.com/index.html?path=2.37/

It should resolve your sendkey issue.