web: Fix type annotation for docs build

Our version of sphinx isn't resolving this annotation correctly.

Introduced in #3014 because CI was broken when it was submitted.

diff --git a/docs/conf.py b/docs/conf.py
index efa1c01d030cb0ecec815e2149713110db579e1f..c47edd6f5cbbf0e94726a81ba60b9455c2d9ad2b 100644 (file)
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -128,6 +128,7 @@ missing_references = {
     "tornado.options._Mockable",
     "tornado.web._ArgDefaultMarker",
     "tornado.web._HandlerDelegate",
+    "_RequestHandlerType",
     "traceback",
     "WSGIAppType",
     "Yieldable",

diff --git a/tornado/web.py b/tornado/web.py
index 589d21a15b4b18959cdbca507a191be75335ceff..2dab485a480007e972d8b8795dc9ecb50231c9f9 100644 (file)
--- a/tornado/web.py
+++ b/tornado/web.py
@@ -1822,10 +1822,10 @@ class RequestHandler(object):
             self.clear_header(h)
 
 
-RequestHandlerType = TypeVar("RequestHandlerType", bound=RequestHandler)
+_RequestHandlerType = TypeVar("_RequestHandlerType", bound=RequestHandler)
 
 
-def stream_request_body(cls: Type[RequestHandlerType]) -> Type[RequestHandlerType]:
+def stream_request_body(cls: Type[_RequestHandlerType]) -> Type[_RequestHandlerType]:
     """Apply to `RequestHandler` subclasses to enable streaming body support.
 
     This decorator implies the following changes: