def verify_new_character(self, arg):
        if arg.strip().lower().startswith('y'):
            if self.playername.isalpha():
                self.save['name'] = self.playername.lower()
                self.newbie = True
                self.player.update_output('Please choose a password: ' + CONCEAL)
                self.password = None
                self.next_state = self.create_password
            else:
                self.player.update_output([ "Invalid name. Names should be a single word, using only letters.",
                                            "Choose a name: "
                                         ])
                self.next_state = self.new_playername
        else:
            self.player.update_output('Type "new" if you\'re a new player. Otherwise, enter your playername: ')
            self.next_state = self.verify_playername
Checks the version requirements of a module.
dataset/ETHPy150Open shinymud/ShinyMUD/src/shinymud/modes/init_mode.py/InitMode.verify_new_character--crossover with--dataset/ETHPy150Open log2timeline/dfvfs/dfvfs/dependencies.py/CheckModuleVersion