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

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

tests/tool_use/mistral/utils.py

@@ -18,17 +18,16 @@ ARGS: list[str] = ["--max-model-len", "1024"]
 
 CONFIGS: dict[str, ServerConfig] = {
     "mistral": {
-        "model":
-        "mistralai/Mistral-7B-Instruct-v0.3",
+        "model": "mistralai/Mistral-7B-Instruct-v0.3",
         "arguments": [
-            "--tokenizer-mode", "mistral",
-            "--ignore-patterns=\"consolidated.safetensors\""
+            "--tokenizer-mode",
+            "mistral",
+            '--ignore-patterns="consolidated.safetensors"',
         ],
-        "system_prompt":
-        "You are a helpful assistant with access to tools. If a tool"
+        "system_prompt": "You are a helpful assistant with access to tools. If a tool"
         " that you have would be helpful to answer a user query, "
         "call the tool. Otherwise, answer the user's query directly "
         "without calling a tool. DO NOT CALL A TOOL THAT IS IRRELEVANT "
-        "to the user's question - just respond to it normally."
+        "to the user's question - just respond to it normally.",
     },
 }