[Doc] ruff format remaining Python examples (#26795)

Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>

docs/features/quantization/int4.md

@@ -39,7 +39,9 @@ from transformers import AutoTokenizer, AutoModelForCausalLM
 
 MODEL_ID = "meta-llama/Meta-Llama-3-8B-Instruct"
 model = AutoModelForCausalLM.from_pretrained(
-    MODEL_ID, device_map="auto", torch_dtype="auto",
+    MODEL_ID,
+    device_map="auto",
+    torch_dtype="auto",
 )
 tokenizer = AutoTokenizer.from_pretrained(MODEL_ID)
 ```
@@ -166,7 +168,7 @@ The following is an example of an expanded quantization recipe you can tune to y
         },
         ignore=["lm_head"],
         update_size=NUM_CALIBRATION_SAMPLES,
-        dampening_frac=0.01
+        dampening_frac=0.01,
     )
     ```