def copyfile(src, dst):
    """Copy data from src to dst"""
    if _samefile(src, dst):
        raise Error, (src, dst) % "`%s` and `%s` are the same file"

    fsrc = None
    fdst = None
    try:
        fsrc = open(src, 'rb')
        fdst = open(dst, 'wb')
        copyfileobj(fsrc, fdst)
    finally:
        if fdst:
            fdst.close()
        if fsrc:
            fsrc.close()
dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/shutil.py/copyfile/swapped operands of `%`