error line 38 and 80

[amidevous]

python adflybypass.py http://adf.ly/1dIIqN

Traceback (most recent call last):
File "adflybypass.py", line 38, in
element = wait.until(EC.element_to_be_clickable((By.ID,"skip_button")))
File "/usr/local/lib/python2.7/dist-packages/selenium/webdriver/support/wait.py", line 80, in until
raise TimeoutException(message, screen, stacktrace)
selenium.common.exceptions.TimeoutException: Message:
Screenshot: available via screen