update codestyle-PEP8

import unittest

import sys,os,math

import sys

import os

import math

from itertools import islice

import numpy as np

import galsim

from observation_sim.instruments import Chip, Filter, FilterParam, FocalPlane

### test FUNCTION --- START ###

# test FUNCTION --- START #

def AddPreScan(GSImage, pre1=27, pre2=4, over1=71, over2=80, nsecy=2, nsecx=8):

    img = GSImage.array

    ny, nx = img.shape

    newimg.wcs = GSImage.wcs

    return newimg

### test FUNCTION --- END ###

# test FUNCTION --- END #

def defineCCD(iccd, config_file):

    chip.img.wcs = focal_plane.getTanWCS(192.8595, 27.1283, -113.4333*galsim.degrees, chip.pix_scale)

    return chip

def defineFilt(chip):

    filter_param = FilterParam()

    filter_id, filter_type = chip.getChipFilter()