text: import random
  
  import jinja2
  
  
  jinja_env = jinja2.Environment()
  jinja_env.undefined = jinja2.StrictUndefined
  
  
  # Fix an issue where 'random' filter is being inlined, resulting in the
  # same value being generated every time.
  # cf https://github.com/pallets/jinja/pull/478
  
  @jinja2.contextfilter
  def do_random(context, seq):
      """Return a random item from the sequence."""
      try:
          return random.choice(seq)
      except IndexError:
          return context.environment.undefined(
              'No random item, sequence was empty.'
          )
  
  
  jinja_env.filters['random'] = do_random
  