diff --git a/scrapy/core/downloader/handlers/http10.py b/scrapy/core/downloader/handlers/http10.py
index 9117cb818..da9559525 100644
--- a/scrapy/core/downloader/handlers/http10.py
+++ b/scrapy/core/downloader/handlers/http10.py
@@ -20,6 +20,7 @@ if TYPE_CHECKING:
     from scrapy.core.downloader.contextfactory import ScrapyClientContextFactory
     from scrapy.core.downloader.webclient import ScrapyHTTPClientFactory
 
+
 class HTTP10DownloadHandler:
     lazy = False