diff --git a/infer/modules/train/extract_feature_print.py b/infer/modules/train/extract_feature_print.py
index b9eef8a..22755b5 100644
--- a/infer/modules/train/extract_feature_print.py
+++ b/infer/modules/train/extract_feature_print.py
@@ -21,8 +21,9 @@ i_gpu = sys.argv[4]
 # but callers may pass "cuda:0", "cuda:0-cuda:1", etc.  Strip the prefix
 # and normalise separators so any combination works.
 import re
-i_gpu = re.sub(r'cuda:', '', str(i_gpu))
-i_gpu = i_gpu.replace('-', ',')
+
+i_gpu = re.sub(r"cuda:", "", str(i_gpu))
+i_gpu = i_gpu.replace("-", ",")
 os.environ["CUDA_VISIBLE_DEVICES"] = i_gpu
 exp_dir = sys.argv[5]
 version = sys.argv[6]
diff --git a/infer/modules/train/train.py b/infer/modules/train/train.py
index 8c32671..c8b4875 100644
--- a/infer/modules/train/train.py
+++ b/infer/modules/train/train.py
@@ -127,7 +127,9 @@ def main():
             children[i].join()
 
 
-def run(rank, n_gpus, hps: utils.HParams, logger: logging.Logger, master_port: str = "29500"):
+def run(
+    rank, n_gpus, hps: utils.HParams, logger: logging.Logger, master_port: str = "29500"
+):
     global global_step
     if rank == 0:
         # logger = utils.get_logger(hps.model_dir)
diff --git a/tools/web/infer-only.py b/tools/web/infer-only.py
index 218788d..037031b 100644
--- a/tools/web/infer-only.py
+++ b/tools/web/infer-only.py
@@ -40,11 +40,9 @@ app = gr.Blocks()
 with app:
     with gr.Tabs():
         with gr.TabItem("在线demo"):
-            gr.Markdown(
-                value="""
+            gr.Markdown(value="""
                 RVC 在线demo
-                """
-            )
+                """)
             sid = gr.Dropdown(label=i18n("Inferencing voice"), choices=sorted(names))
             with gr.Column():
                 spk_item = gr.Slider(
diff --git a/web.py b/web.py
index c493ec4..df7f11c 100644
--- a/web.py
+++ b/web.py
@@ -36,7 +36,6 @@ import threading
 import shutil
 import logging
 
-
 logging.getLogger("numba").setLevel(logging.WARNING)
 logging.getLogger("httpx").setLevel(logging.WARNING)