Fixing imports in python formatter (IDE)

Author: barancev

ide/plugins/python-format/src/content/formats/python2-wd.js

@@ -297,6 +297,7 @@ this.options = {
           'from selenium.webdriver.common.keys import Keys\n' +
           'from selenium.webdriver.support.ui import Select\n' +
           'from selenium.common.exceptions import NoSuchElementException\n' +
+          'from selenium.common.exceptions import NoAlertPresentException\n' +
           'import unittest, time, re\n' +
           '\n' +
           'class ${className}(unittest.TestCase):\n' +