Upgrade ruff.

src/websockets/exceptions.py

@@ -204,8 +204,7 @@ def __init__(self, response: http11.Response) -> None:
 
     def __str__(self) -> str:
         return (
-            "server rejected WebSocket connection: "
-            f"HTTP {self.response.status_code:d}"
+            f"server rejected WebSocket connection: HTTP {self.response.status_code:d}"
         )
 
 

src/websockets/http11.py

@@ -94,8 +94,7 @@ class Request:
     @property
     def exception(self) -> Exception | None:  # pragma: no cover
         warnings.warn(  # deprecated in 10.3 - 2022-04-17
-            "Request.exception is deprecated; "
-            "use ServerProtocol.handshake_exc instead",
+            "Request.exception is deprecated; use ServerProtocol.handshake_exc instead",
             DeprecationWarning,
         )
         return self._exception

src/websockets/legacy/exceptions.py

@@ -52,9 +52,7 @@ def __init__(
 
     def __str__(self) -> str:
         return (
-            f"HTTP {self.status:d}, "
-            f"{len(self.headers)} headers, "
-            f"{len(self.body)} bytes"
+            f"HTTP {self.status:d}, {len(self.headers)} headers, {len(self.body)} bytes"
         )
 
 

src/websockets/sync/connection.py

@@ -412,8 +412,7 @@ def send(
             with self.send_context():
                 if self.send_in_progress:
                     raise ConcurrencyError(
-                        "cannot call send while another thread "
-                        "is already running send"
+                        "cannot call send while another thread is already running send"
                     )
                 if text is False:
                     self.protocol.send_binary(message.encode())
@@ -424,8 +423,7 @@ def send(
             with self.send_context():
                 if self.send_in_progress:
                     raise ConcurrencyError(
-                        "cannot call send while another thread "
-                        "is already running send"
+                        "cannot call send while another thread is already running send"
                     )
                 if text is True:
                     self.protocol.send_text(message)

tests/asyncio/test_server.py

@@ -59,8 +59,7 @@ async def test_connection_handler_raises_exception(self):
                     await client.recv()
                 self.assertEqual(
                     str(raised.exception),
-                    "received 1011 (internal error); "
-                    "then sent 1011 (internal error)",
+                    "received 1011 (internal error); then sent 1011 (internal error)",
                 )
 
     async def test_existing_socket(self):

tests/sync/test_server.py

@@ -58,8 +58,7 @@ def test_connection_handler_raises_exception(self):
                     client.recv()
                 self.assertEqual(
                     str(raised.exception),
-                    "received 1011 (internal error); "
-                    "then sent 1011 (internal error)",
+                    "received 1011 (internal error); then sent 1011 (internal error)",
                 )
 
     def test_existing_socket(self):

tests/test_client.py

@@ -638,8 +638,7 @@ def test_multiple_subprotocols_accepted(self):
         self.assertHandshakeError(
             client,
             InvalidHandshake,
-            "invalid Sec-WebSocket-Protocol header: "
-            "multiple values: superchat, chat",
+            "invalid Sec-WebSocket-Protocol header: multiple values: superchat, chat",
         )