style fixes by ruff

src/tests/quantize/quantize_test.py

@@ -8,30 +8,32 @@
     quantize_model,
 )
 
-root_path = Path(__file__).parent / 'test_data'
+root_path = Path(__file__).parent / "test_data"
 os.makedirs(root_path, exist_ok=True)
 
 
 def test_get_llamacpp_repo():
     get_llamacpp_repo(root_path)
-    repo_path = root_path / 'llama.cpp' / '.git'
+    repo_path = root_path / "llama.cpp" / ".git"
     assert os.path.exists(repo_path)
 
 
 def test_build_llamacpp():
     building_llamacpp(root_path)
-    bin_path = root_path / 'llama.cpp' / 'quantize'
+    bin_path = root_path / "llama.cpp" / "quantize"
     assert os.path.exists(bin_path)
 
 
 def test_fetch_model_repo():
-    fetch_model_repo('meta-llama/Llama-2-7b-chat', root_path)
-    model_dir_path = root_path / 'llama.cpp' / 'models' / 'Llama-2-7b-chat'
+    fetch_model_repo("meta-llama/Llama-2-7b-chat", root_path)
+    model_dir_path = root_path / "llama.cpp" / "models" / "Llama-2-7b-chat"
     assert os.path.exists(model_dir_path)
 
 
 def test_quantize_model():
-    model_dir_path = root_path / 'llama.cpp' / 'models' / 'Llama-2-7b-chat'
-    quantize_model(model_dir_path, 'Q3_K_M', root_path, output_dir=model_dir_path.parent)
+    model_dir_path = root_path / "llama.cpp" / "models" / "Llama-2-7b-chat"
+    quantize_model(
+        model_dir_path, "Q3_K_M", root_path, output_dir=model_dir_path.parent
+    )
     gguf_file_path = model_dir_path / "ggml-model-Q3_K_M.gguf"
     assert os.path.exists(gguf_file_path)