Format files with Ruff (#17643)

I thought ruff check would also format, but it doesn't.

This runs ruff format in CI and dev scripts. The first commit is just a
run of `ruff format .` in the root directory.

1 files changed, 17 insertions, 15 deletions

diff --git a/tests/http/test_matrixfederationclient.py b/tests/http/test_matrixfederationclient.py

index 6827412373..6588695e37 100644
--- a/tests/http/test_matrixfederationclient.py
+++ b/tests/http/test_matrixfederationclient.py
@@ -895,21 +895,23 @@ class FederationClientProxyTests(BaseMultiWorkerStreamTestCase):
         )
 
         # Fake `remoteserv:8008` responding to requests
-        mock_agent_on_federation_sender.request.side_effect = lambda *args, **kwargs: defer.succeed(
-            FakeResponse(
-                code=200,
-                body=b'{"foo": "bar"}',
-                headers=Headers(
-                    {
-                        "Content-Type": ["application/json"],
-                        "Connection": ["close, X-Foo, X-Bar"],
-                        # Should be removed because it's defined in the `Connection` header
-                        "X-Foo": ["foo"],
-                        "X-Bar": ["bar"],
-                        # Should be removed because it's a hop-by-hop header
-                        "Proxy-Authorization": "abcdef",
-                    }
-                ),
+        mock_agent_on_federation_sender.request.side_effect = (
+            lambda *args, **kwargs: defer.succeed(
+                FakeResponse(
+                    code=200,
+                    body=b'{"foo": "bar"}',
+                    headers=Headers(
+                        {
+                            "Content-Type": ["application/json"],
+                            "Connection": ["close, X-Foo, X-Bar"],
+                            # Should be removed because it's defined in the `Connection` header
+                            "X-Foo": ["foo"],
+                            "X-Bar": ["bar"],
+                            # Should be removed because it's a hop-by-hop header
+                            "Proxy-Authorization": "abcdef",
+                        }
+                    ),
+                )
             )
         )