misc: add pre-commit config (#637)

playground/load_tokenizer.py

@@ -3,11 +3,12 @@ import code
 
 from sglang.srt.hf_transformers_utils import get_tokenizer
 
-
 if __name__ == "__main__":
     parser = argparse.ArgumentParser()
-    parser.add_argument("--name", type=str, default="meta-llama/Meta-Llama-3-8B-Instruct")
+    parser.add_argument(
+        "--name", type=str, default="meta-llama/Meta-Llama-3-8B-Instruct"
+    )
     args = parser.parse_args()
 
     t = get_tokenizer(args.name)
-    code.interact(local=locals())
+    code.interact(local=locals())