Lint

Author: praboud-ant

src/mcp/server/auth/handlers/register.py

@@ -74,9 +74,7 @@ async def handle(self, request: Request) -> Response:
                     ),
                     status_code=400,
                 )
-        if set(client_metadata.grant_types) != set(
-            ["authorization_code", "refresh_token"]
-        ):
+        if set(client_metadata.grant_types) != {"authorization_code", "refresh_token"}:
             return PydanticJSONResponse(
                 content=RegistrationErrorResponse(
                     error="invalid_client_metadata",

tests/server/fastmcp/auth/test_auth_integration.py

@@ -1140,9 +1140,12 @@ def test_tool(x: int) -> str:
                 assert sse.event == "message"
                 sse_data = json.loads(sse.data)
                 assert sse_data["id"] == "123"
-                assert set(sse_data["result"]["capabilities"].keys()) == set(
-                    ("experimental", "prompts", "resources", "tools")
-                )
+                assert set(sse_data["result"]["capabilities"].keys()) == {
+                    "experimental",
+                    "prompts",
+                    "resources",
+                    "tools",
+                }
                 # the /sse endpoint will never finish; normally, the client could just
                 # disconnect, but in tests the easiest way to do this is to cancel the
                 # task group