<filename>scrapy/core/downloader/handlers/http.py
from scrapy.core.downloader.handlers.http10 import HTTP10DownloadHandler
from scrapy.core.downloader.handlers.http11 import (
    HTTP11DownloadHandler as HTTPDownloadHandler,
)

<filename>scrapy/core/downloader/handlers/http.py
from scrapy.core.downloader.handlers.http10 import HTTP10DownloadHandler
from scrapy.core.downloader.handlers.http11 import (
    HTTP11DownloadHandler as HTTPDownloadHandler,
)
