Reorder unions with None.

scrapy/core/spidermw.py

@@ -339,7 +339,7 @@ class SpiderMiddlewareManager(MiddlewareManager):
     @staticmethod
     def _get_async_method_pair(
         mw: Any, methodname: str
-    ) -> None | Callable | tuple[Callable, Callable]:
+    ) -> Callable | tuple[Callable, Callable] | None:
         normal_method: Callable | None = getattr(mw, methodname, None)
         methodname_async = methodname + "_async"
         async_method: Callable | None = getattr(mw, methodname_async, None)

scrapy/crawler.py

@@ -57,7 +57,7 @@ class Crawler:
     def __init__(
         self,
         spidercls: type[Spider],
-        settings: None | dict[str, Any] | Settings = None,
+        settings: dict[str, Any] | Settings | None = None,
         init_reactor: bool = False,
     ):
         if isinstance(spidercls, Spider):

scrapy/http/request/form.py

@@ -197,7 +197,7 @@ def _get_inputs(
 
 def _value(
     ele: InputElement | SelectElement | TextareaElement,
-) -> tuple[str | None, None | str | MultipleSelectOptions]:
+) -> tuple[str | None, str | MultipleSelectOptions | None]:
     n = ele.name
     v = ele.value
     if ele.tag == "select":
@@ -206,8 +206,8 @@ def _value(
 
 
 def _select_value(
-    ele: SelectElement, n: str | None, v: None | str | MultipleSelectOptions
-) -> tuple[str | None, None | str | MultipleSelectOptions]:
+    ele: SelectElement, n: str | None, v: str | MultipleSelectOptions | None
+) -> tuple[str | None, str | MultipleSelectOptions | None]:
     multiple = ele.multiple
     if v is None and not multiple:
         # Match browser behaviour on simple select tag without options selected

scrapy/middleware.py

@@ -40,7 +40,7 @@ class MiddlewareManager:
         self.middlewares = middlewares
         # Only process_spider_output and process_spider_exception can be None.
         # Only process_spider_output can be a tuple, and only until _async compatibility methods are removed.
-        self.methods: dict[str, deque[None | Callable | tuple[Callable, Callable]]] = (
+        self.methods: dict[str, deque[Callable | tuple[Callable, Callable] | None]] = (
             defaultdict(deque)
         )
         for mw in middlewares: