From 1edf21e2ee85bc332b4572761feea12d8403f919 Mon Sep 17 00:00:00 2001
From: Jeremiah Lowin <153965+jlowin@users.noreply.github.com>
Date: Sat, 7 Jun 2025 21:04:38 -0400
Subject: [PATCH] Ensure event store is properly typed

---
 src/fastmcp/server/http.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/fastmcp/server/http.py b/src/fastmcp/server/http.py
index 2b5381437..b9121dfe8 100644
--- a/src/fastmcp/server/http.py
+++ b/src/fastmcp/server/http.py
@@ -13,6 +13,7 @@ from mcp.server.auth.middleware.bearer_auth import (
 from mcp.server.auth.routes import create_auth_routes
 from mcp.server.lowlevel.server import LifespanResultT
 from mcp.server.sse import SseServerTransport
+from mcp.server.streamable_http import EventStore
 from mcp.server.streamable_http_manager import StreamableHTTPSessionManager
 from starlette.applications import Starlette
 from starlette.middleware import Middleware
@@ -241,7 +242,7 @@ def create_sse_app(
 def create_streamable_http_app(
     server: FastMCP[LifespanResultT],
     streamable_http_path: str,
-    event_store: None = None,
+    event_store: EventStore | None = None,
     auth: OAuthProvider | None = None,
     json_response: bool = False,
     stateless_http: bool = False,