infra: using ruff formatter (#594)

Signed-off-by: Aaron <29749331+aarnphm@users.noreply.github.com>

openllm-python/src/openllm/utils/__init__.py

@@ -3,12 +3,14 @@
 User can import these function for convenience, but
 we won't ensure backward compatibility for these functions. So use with caution.
 """
+
 from __future__ import annotations
 import functools
 import typing as t
 
 import openllm_core
 
+
 if t.TYPE_CHECKING:
   import openllm
 
@@ -62,23 +64,38 @@ if t.TYPE_CHECKING:
   from openllm_core.utils import validate_is_path as validate_is_path
   from openllm_core.utils.serde import converter as converter
 
+
 def generate_labels(llm: openllm.LLM[t.Any, t.Any]) -> dict[str, t.Any]:
-  return {'backend': llm.__llm_backend__, 'framework': 'openllm', 'model_name': llm.config['model_name'], 'architecture': llm.config['architecture'], 'serialisation': llm._serialisation}
+  return {
+    'backend': llm.__llm_backend__,
+    'framework': 'openllm',
+    'model_name': llm.config['model_name'],
+    'architecture': llm.config['architecture'],
+    'serialisation': llm._serialisation,
+  }
+
 
 def available_devices() -> tuple[str, ...]:
   """Return available GPU under system. Currently only supports NVIDIA GPUs."""
   from .._strategies import NvidiaGpuResource
+
   return tuple(NvidiaGpuResource.from_system())
 
+
 @functools.lru_cache(maxsize=1)
 def device_count() -> int:
   return len(available_devices())
 
+
 __all__ = ['generate_labels', 'available_devices', 'device_count']
 
+
 def __dir__() -> t.Sequence[str]:
   return sorted(__all__)
 
+
 def __getattr__(it: str) -> t.Any:
-  if hasattr(openllm_core.utils, it): return getattr(openllm_core.utils, it)
-  else: raise AttributeError(f'module {__name__} has no attribute {it}')
+  if hasattr(openllm_core.utils, it):
+    return getattr(openllm_core.utils, it)
+  else:
+    raise AttributeError(f'module {__name__} has no attribute {it}')