Clean up the imports in loaddata.py to match other code whilst I'm in the neighbourhood.

from django.core.management.base import BaseCommand

from django.core.management.color import no_style

from optparse import make_option

import sys

import os

import bz2, gzip, zipfile

import gzip

import zipfile

from optparse import make_option

from django.core.management.base import BaseCommand

from django.core.management.color import no_style

try:

    set