Missing storage.store call

test.py

from logging import getLogger

import scrapy
from scrapy.extensions.feedexport import BlockingFeedStorage

logger = getLogger(__name__)


class GsFeedStorage(BlockingFeedStorage):

    def __init__(self, uri):
        self.uri = uri

    def _store_in_thread(self, file):
        logger.info(f'Storing in thread: {self.uri}')


class QuotesSpider(scrapy.Spider):
    name = 'quotes'
    start_urls = ['http://quotes.toscrape.com/']

    custom_settings = {
        'FEEDS': {
            'gs://bucket/output.json': {'format': 'json'},
            'gs://bucket/output.csv': {'format': 'csv'}
        },
        'FEED_STORAGES': {'gs': 'test.GsFeedStorage'},
        'FEED_STORE_EMPTY': False,
    }

    def parse(self, response):
        pass