docs: def create_user(self, username, email, password, active=False,
                      send_email=True):
          """
          A simple wrapper that creates a new :class:`User`.
  
          :param username:
              String containing the username of the new user.
  
          :param email:
              String containing the email address of the new user.
  
          :param password:
              String containing the password for the new user.
  
          :param active:
              Boolean that defines if the user requires activation by clicking 
              on a link in an email. Defauts to ``True``.
  
          :param send_email:
              Boolean that defines if the user should be send an email. You 
              could set this to ``False`` when you want to create a user in 
              your own code, but don't want the user to activate through email.
  
          :return: :class:`User` instance representing the new user.
  
          """
  
          user = super(AccountActivationManager, self).create_user(username, email, password)
  
          if isinstance(user.username, str):
              username = user.username.encode('utf-8')
          salt, activation_key = generate_sha1(username)
          user.is_active = active
          user.activation_key = activation_key
          user.save(using=self._db)
  
          if send_email:
              user.send_activation_email()
   
          return user