Convert formatting to use ruff instead of yapf + isort (#26247)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>

tests/entrypoints/pooling/llm/test_encode.py

@@ -31,12 +31,14 @@ TOKEN_IDS = [
 def llm():
     # pytest caches the fixture so we use weakref.proxy to
     # enable garbage collection
-    llm = LLM(model=MODEL_NAME,
-              max_num_batched_tokens=32768,
-              tensor_parallel_size=1,
-              gpu_memory_utilization=0.75,
-              enforce_eager=True,
-              seed=0)
+    llm = LLM(
+        model=MODEL_NAME,
+        max_num_batched_tokens=32768,
+        tensor_parallel_size=1,
+        gpu_memory_utilization=0.75,
+        enforce_eager=True,
+        seed=0,
+    )
 
     yield weakref.proxy(llm)