new_contents: import urllib.request
  import lxml.html
  import openwifi
  
  class AirportIAD(openwifi.Module):
      def login(self):
          doc = lxml.html.parse(self.login_page)
          form = doc.getroot().forms[0]
          form.fields['terms'] = 'checkbox'
          lxml.html.submit_form(form)
  
subject: add Washington-Dulles International Airport