From 712096bf62e7fdd68fc08f4ee03576ac0f4d1a13 Mon Sep 17 00:00:00 2001
From: Adrian Chaves <adrian@zyte.com>
Date: Wed, 10 Jun 2026 16:32:05 +0200
Subject: [PATCH] Address typing issues

---
 scrapy/spidermiddlewares/base.py  |  7 +++++--
 scrapy/spidermiddlewares/depth.py | 13 +++++++++----
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/scrapy/spidermiddlewares/base.py b/scrapy/spidermiddlewares/base.py
index e09f2d10e..28435da67 100644
--- a/scrapy/spidermiddlewares/base.py
+++ b/scrapy/spidermiddlewares/base.py
@@ -48,7 +48,10 @@ class BaseSpiderMiddleware:
 
     @_warn_spider_arg
     def process_spider_output(
-        self, response: Response, result: Iterable[Any], spider: Spider | None = None
+        self,
+        response: Response | None,
+        result: Iterable[Any],
+        spider: Spider | None = None,
     ) -> Iterable[Any]:
         for o in result:
             if (o := self._get_processed(o, response)) is not None:
@@ -57,7 +60,7 @@ class BaseSpiderMiddleware:
     @_warn_spider_arg
     async def process_spider_output_async(
         self,
-        response: Response,
+        response: Response | None,
         result: AsyncIterator[Any],
         spider: Spider | None = None,
     ) -> AsyncIterator[Any]:
diff --git a/scrapy/spidermiddlewares/depth.py b/scrapy/spidermiddlewares/depth.py
index 9c387530c..054804119 100644
--- a/scrapy/spidermiddlewares/depth.py
+++ b/scrapy/spidermiddlewares/depth.py
@@ -55,19 +55,24 @@ class DepthMiddleware(BaseSpiderMiddleware):
 
     @_warn_spider_arg
     def process_spider_output(
-        self, response: Response, result: Iterable[Any], spider: Spider | None = None
+        self,
+        response: Response | None,
+        result: Iterable[Any],
+        spider: Spider | None = None,
     ) -> Iterable[Any]:
-        self._init_depth(response)
+        if response is not None:
+            self._init_depth(response)
         yield from super().process_spider_output(response, result)
 
     @_warn_spider_arg
     async def process_spider_output_async(
         self,
-        response: Response,
+        response: Response | None,
         result: AsyncIterator[Any],
         spider: Spider | None = None,
     ) -> AsyncIterator[Any]:
-        self._init_depth(response)
+        if response is not None:
+            self._init_depth(response)
         async for o in super().process_spider_output_async(response, result):
             yield o