#!/usr/bin/env python
# coding=utf-8


class Error(Exception):
    """
    Base class for exception in this module.
    """
    pass


class LoginError(Error):
    def __init__(self, message):
        self.message = message


class PermissionError(Error):
    def __init__(self, message):
        self.message = message


class NotExistsError(Error):
    def __init__(self, message):
        self.message = message


class TypeError(Error):
    def __init__(self, message):
        self.message = message
