The timeout variable wasn't defined, which was a little confusing.

Author: epicserve

docs/topics/testing.txt

@@ -2084,6 +2084,7 @@ out the `full reference`_ for more details.
 
  def test_login(self):
  from selenium.webdriver.support.wait import WebDriverWait
+ timeout = 2
  ...
  self.selenium.find_element_by_xpath('//input[@value="Log in"]').click()
  # Wait until the response is received