Fix mypy complaint:

SrzStephen · SrzStephen · commit 0b6d49d4ae9f · 2026-02-18T23:34:56.000+08:00
Name "HTTP_413_CONTENT_TOO_LARGE" already defined (possibly by an import)  [no-redef]
diff --git a/src/a2a/server/apps/jsonrpc/jsonrpc_app.py b/src/a2a/server/apps/jsonrpc/jsonrpc_app.py
@@ -69,7 +69,7 @@
         # Starlette v0.48.0
         from starlette.status import HTTP_413_CONTENT_TOO_LARGE
     except ImportError:
-        from starlette.status import (
+        from starlette.status import (  # type: ignore[no-redef]
             HTTP_413_REQUEST_ENTITY_TOO_LARGE as HTTP_413_CONTENT_TOO_LARGE,
         )
 

Original file line number	Diff line number	Diff line change
`@@ -69,7 +69,7 @@`
`69`	`69`	`# Starlette v0.48.0`
`70`	`70`	`from starlette.status import HTTP_413_CONTENT_TOO_LARGE`
`71`	`71`	`except ImportError:`
`72`		`- from starlette.status import (`
	`72`	`+ from starlette.status import ( # type: ignore[no-redef]`
`73`	`73`	`HTTP_413_REQUEST_ENTITY_TOO_LARGE as HTTP_413_CONTENT_TOO_LARGE,`
`74`	`74`	`)`
`75`	`75`