diff --git a/tests/unit/proxy/_experimental/mcp_server/test_openapi_spec_path_url.py b/tests/unit/proxy/_experimental/mcp_server/test_openapi_spec_path_url.py
index 41ce7167b3a..17a0022046e 100644
--- a/tests/unit/proxy/_experimental/mcp_server/test_openapi_spec_path_url.py
+++ b/tests/unit/proxy/_experimental/mcp_server/test_openapi_spec_path_url.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import Any
+from typing import Any, Dict
 
 import httpx
 import pytest
@@ -33,7 +33,7 @@ class _FakeAsyncHTTPHandler:
 
 def test_load_openapi_spec_supports_http_url(monkeypatch: pytest.MonkeyPatch) -> None:
     url = "http://example.local/openapi.json"
-    expected: dict[str, Any] = {
+    expected: Dict[str, Any] = {
         "openapi": "3.0.0",
         "info": {"title": "Test API", "version": "1.0.0"},
         "paths": {},
@@ -44,7 +44,7 @@ def test_load_openapi_spec_supports_http_url(monkeypatch: pytest.MonkeyPatch) ->
     resp = httpx.Response(status_code=200, json=expected, request=req)
 
     calls = {"get_async_httpx_client": 0}
-    handler_holder: dict[str, Any] = {}
+    handler_holder: Dict[str, Any] = {}
 
     def fake_get_async_httpx_client(*args, **kwargs):
         calls["get_async_httpx_client"] += 1
@@ -56,7 +56,9 @@ def test_load_openapi_spec_supports_http_url(monkeypatch: pytest.MonkeyPatch) ->
     monkeypatch.setattr(gen, "get_async_httpx_client", fake_get_async_httpx_client)
 
     # Bypass SSRF validation in test (example.local doesn't resolve)
-    monkeypatch.setattr(gen, "async_safe_get", lambda client, url, **kw: client.get(url))
+    monkeypatch.setattr(
+        gen, "async_safe_get", lambda client, url, **kw: client.get(url)
+    )
 
     # Fail loudly if someone reintroduces direct httpx.get()
     def boom(*args, **kwargs):
@@ -71,8 +73,10 @@ def test_load_openapi_spec_supports_http_url(monkeypatch: pytest.MonkeyPatch) ->
     assert handler_holder["handler"].calls == 1
 
 
-def test_load_openapi_spec_supports_local_file_path(tmp_path, monkeypatch: pytest.MonkeyPatch) -> None:
-    expected: dict[str, Any] = {
+def test_load_openapi_spec_supports_local_file_path(
+    tmp_path, monkeypatch: pytest.MonkeyPatch
+) -> None:
+    expected: Dict[str, Any] = {
         "openapi": "3.0.0",
         "info": {"title": "Local API", "version": "1.0.0"},
         "paths": {},
@@ -86,7 +90,9 @@ def test_load_openapi_spec_supports_local_file_path(tmp_path, monkeypatch: pytes
 
     # For local files, shared client must NOT be used.
     def boom_client(*args, **kwargs):
-        raise AssertionError("get_async_httpx_client() must not be called for local file paths")
+        raise AssertionError(
+            "get_async_httpx_client() must not be called for local file paths"
+        )
 
     monkeypatch.setattr(gen, "get_async_httpx_client", boom_client)