python2.7 Run Selenium Webdriver API error Unable to find a matching set of capabilities

Source: Internet
Author: User

In Firefox version 33, python2.7 run Selenium webdriver API error:
SessionNotCreatedException:Message:Unable to find a matching set of capabilities

Online search, said can upgrade browser version to more than 52, I upgraded to 55 version, no error

Workaround:update Firefox to version >= 52.0.3, updating Firefox version 52.0.3 or more

may also be related to the Geckodriver version, no specific verification

python2.7 Run Selenium Webdriver API error Unable to find a matching set of capabilities

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