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

import socket
import functools


def nop():
    """no operation"""

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# coding: utf-8

import os
import filecmp


class Break(Exception):
    """for break recursive function
    """

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# coding: utf-8
import os

from boto.s3 import (
    connection as s3conn,
    key as s3key,
)

from boto.exception import (
    S3ResponseError,

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# coding: utf-8

import re
regnum = re.compile(r'([0-9]+)')


def factory(units):
    def flat(string):
        """minimize unit"""
        string = string.replace(',', '')