[model] update kt code (#9406)

src/llamafactory/extras/misc.py

@@ -312,9 +312,11 @@ def use_openmind() -> bool:
 def use_ray() -> bool:
     return is_env_enabled("USE_RAY")
 
+
 def use_kt() -> bool:
     return is_env_enabled("USE_KT")
 
+
 def find_available_port() -> int:
     r"""Find an available port on the local machine."""
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

src/llamafactory/extras/packages.py

@@ -110,6 +110,7 @@ def is_starlette_available():
 def is_transformers_version_greater_than(content: str):
     return _get_package_version("transformers") >= version.parse(content)
 
+
 @lru_cache
 def is_torch_version_greater_than(content: str):
     return _get_package_version("torch") >= version.parse(content)