Pickle class for save load object in file

pickle class

class PickleFileManager(object):
    def __init__(self, homedir):
        self.HOMED = homedir
        self.dir_is_exsist()

    def dir_is_exsist(self):
        if os.path.exists(self.HOMED):
            pass
        else:
            os.mkdir(self.HOMED)

    def get_fullpath(self, name):
        return "{path}/{name}".format(path=self.HOMED, name=name)

    def save_conf(self, name, object_file):
        with open(self.get_fullpath(name), 'wb') as conf_file:
            pickle.dump(object_file, conf_file, pickle.HIGHEST_PROTOCOL)

    def load_conf(self, name):
        with open(self.get_fullpath(name), 'rb') as conf_file:
            return pickle.load(conf_file)

    def find_all_conf(self):
        return [f for f in os.listdir(self.HOMED)]

if __name__ == '__main__':
    fff = PickleFileManager('Date')
    fff.save_conf('testo', fff)