code: async def change_user_password(self, username, password):
          
          user_facade = client.UserManagerFacade.from_connection(
              self.connection())
          entity = client.EntityPassword(password, tag.user(username))
          return await user_facade.SetPassword([entity])
docs: Change the password for a user in this controller.
  
          :param str username: Username
          :param str password: New password