diff --git a/convert-ggml-to-pth.py b/convert-ggml-to-pth.py
index 20158c9ca..8cc677851 100644
--- a/convert-ggml-to-pth.py
+++ b/convert-ggml-to-pth.py
@@ -72,7 +72,12 @@ def dequantize_weights(fin, n_rows, n_cols):
 
 def read_variables(fin):
     model = {}
-    pbar = tqdm(total=os.path.getsize(fin.name), unit="B", unit_scale=True, desc="Reading variables")
+    pbar = tqdm(
+        total=os.path.getsize(fin.name),
+        unit="B",
+        unit_scale=True,
+        desc="Reading variables",
+    )
     while True:
         start_pos = fin.tell()
         try:
@@ -98,7 +103,9 @@ def read_variables(fin):
             data_size = np.prod(shape)
             data = np.fromfile(fin, dtype=dtype, count=data_size).reshape(shape)
 
-        model[name] = torch.tensor(data, dtype=torch.float32 if dtype == np.float32 else torch.float16)
+        model[name] = torch.tensor(
+            data, dtype=torch.float32 if dtype == np.float32 else torch.float16
+        )
 
         pbar.update(fin.tell() - start_pos)
 
@@ -112,11 +119,17 @@ def convert_to_hf_format(model, hparams):
     dim = hparams["dim"]
     dims_per_head = dim // n_heads
     base = 10000.0
-    inv_freq = 1.0 / (base ** (torch.arange(0, dims_per_head, 2).float() / dims_per_head))
+    inv_freq = 1.0 / (
+        base ** (torch.arange(0, dims_per_head, 2).float() / dims_per_head)
+    )
 
     # permute for sliced rotary
     def permute(w):
-        return w.view(n_heads, dim // n_heads // 2, 2, dim).transpose(1, 2).reshape(dim, dim)
+        return (
+            w.view(n_heads, dim // n_heads // 2, 2, dim)
+            .transpose(1, 2)
+            .reshape(dim, dim)
+        )
 
     state_dict = {}
     for layer_i in range(n_layers):
@@ -164,16 +177,22 @@ def convert_to_hf_format(model, hparams):
 
 
 def chat(model, hparams, llama_dir):
-    from transformers import (GenerationConfig, LlamaForCausalLM,
-                              LlamaTokenizer, StoppingCriteria,
-                              StoppingCriteriaList)
+    from transformers import (
+        GenerationConfig,
+        LlamaForCausalLM,
+        LlamaTokenizer,
+        StoppingCriteria,
+        StoppingCriteriaList,
+    )
     from transformers.models.llama.configuration_llama import LlamaConfig
 
     class StoppingCriteriaSub(StoppingCriteria):
         def __init__(self):
             super().__init__()
 
-        def __call__(self, input_ids: torch.LongTensor, scores: torch.FloatTensor, stops=[]):
+        def __call__(
+            self, input_ids: torch.LongTensor, scores: torch.FloatTensor, stops=[]
+        ):
             print(tokenizer.decode(input_ids[0]), end="", flush=True)
             if input_ids[0][-1] == 13:
                 return True
@@ -237,7 +256,11 @@ AI: Hello! How can I assist you today?
 def main():
     parser = argparse.ArgumentParser()
     parser.add_argument(
-        "--input_dir", "-i", type=str, required=True, help="The input directory containing the ggml files."
+        "--input_dir",
+        "-i",
+        type=str,
+        required=True,
+        help="The input directory containing the ggml files.",
     )
     parser.add_argument(
         "--prefix",
@@ -252,14 +275,21 @@ def main():
         help="Whether to save the model in the huggingface format. (default: False)",
     )
     parser.add_argument(
-        "--chat", "-c", action="store_true", help="Whether to open a chat with the model. (default: False)"
+        "--chat",
+        "-c",
+        action="store_true",
+        help="Whether to open a chat with the model. (default: False)",
     )
     args = parser.parse_args()
 
     llama_dir = os.path.abspath(f"{args.input_dir}/../")
 
     ggml_files = sorted(
-        [f"{args.input_dir}/{f}" for f in os.listdir(args.input_dir) if f.startswith(args.prefix)]
+        [
+            f"{args.input_dir}/{f}"
+            for f in os.listdir(args.input_dir)
+            if f.startswith(args.prefix)
+        ]
     )
 
     fin = open(ggml_files[0], "rb")