How to use the pyexpander.log.get_logger function in pyexpander

import os
import sys
import shutil

from pyexpander import config
from pyexpander.extract import extract_all, cleanup_temp
from pyexpander.log import get_logger
from pyexpander.postprocess import process_folder, process_file
from pyexpander.transmission import get_environmental_variables_from_transmission


logger = get_logger('handler')


def expand_torrent(torrent_path):
    logger.info('Processing torrent %s' % torrent_path)
    torrent_path = os.path.abspath(torrent_path)

    if os.path.isdir(torrent_path):
        torrent_path = os.path.join(torrent_path, '')
        extract_all(torrent_path)
        process_folder(torrent_path)
        cleanup_temp(torrent_path)
    else:
        process_file(shutil.move, os.path.splitext(os.path.basename(torrent_path))[0], torrent_path)

    logger.info('Done')

import os
import guessit

from pyexpander import config
from pyexpander.log import get_logger


logger = get_logger('categorize')


MUSIC_EXTENSIONS = ['.flac', '.mp3', '.ogg', '.wav']
SOFTWARE_EXTENSIONS = ['.iso', '.exe']


def get_path_video(filename):
    guess = guessit.guess_file_info(filename)

    if guess[u'type'] == u'episode':
        series = guess.get(u'series', u'').title()
        season = guess.get(u'season', u'')

        return config.TV_PATH.format(series=series, season=season)
    elif guess[u'type'] == u'movie':
        title = guess.get(u'title', u'').title()

import os
from pyexpander.log import get_logger


logger = get_logger('transmission')


def get_environmental_variables_from_transmission():
    """
    Return the environmental variables passed by transmission to the script.

    :return: (full_torrent_path, torrent_name)
    """
    torrent_dir = os.getenv('TR_TORRENT_DIR')
    torrent_name = os.getenv('TR_TORRENT_NAME')

    if torrent_dir is None or torrent_name is None:
        raise Exception('Transmission environment variables were not found.')

    full_path = os.path.join(torrent_dir, torrent_name)