diff --git a/infer-web.py b/infer-web.py
index 98ba598..73337c2 100644
--- a/infer-web.py
+++ b/infer-web.py
@@ -55,6 +55,7 @@ vc = VC(config)
 
 if not config.nocheck:
     from infer.lib.rvcmd import check_all_assets, download_all_assets
+
     if not check_all_assets():
         download_all_assets(tmpdir=tmp)
         if not check_all_assets():
diff --git a/infer/lib/rvcmd.py b/infer/lib/rvcmd.py
index b17e376..ed9f031 100644
--- a/infer/lib/rvcmd.py
+++ b/infer/lib/rvcmd.py
@@ -114,7 +114,7 @@ def download_and_extract_tar_gz(url: str, folder: str):
     import tarfile
 
     logger.info(f"downloading {url}")
-    response = requests.get(url, stream=True, timeout=(5,10))
+    response = requests.get(url, stream=True, timeout=(5, 10))
     with BytesIO() as out_file:
         out_file.write(response.content)
         out_file.seek(0)
@@ -128,7 +128,7 @@ def download_and_extract_zip(url: str, folder: str):
     import zipfile
 
     logger.info(f"downloading {url}")
-    response = requests.get(url, stream=True, timeout=(5,10))
+    response = requests.get(url, stream=True, timeout=(5, 10))
     with BytesIO() as out_file:
         out_file.write(response.content)
         out_file.seek(0)
@@ -137,13 +137,15 @@ def download_and_extract_zip(url: str, folder: str):
             zip_ref.extractall(folder)
         logger.info(f"extracted into {folder}")
 
+
 def download_dns_yaml(url: str, folder: str):
     logger.info(f"downloading {url}")
-    response = requests.get(url, stream=True, timeout=(5,10))
+    response = requests.get(url, stream=True, timeout=(5, 10))
     with open(f"{folder}/dns.yaml", "wb") as out_file:
         out_file.write(response.content)
         logger.info(f"downloaded into {folder}")
 
+
 def download_all_assets(tmpdir: str, version="0.2.2"):
     import subprocess
     import platform
@@ -169,7 +171,9 @@ def download_all_assets(tmpdir: str, version="0.2.2"):
         logger.error(f"architecture {architecture} is not supported")
         exit(1)
     try:
-        BASE_URL = "https://github.com/RVC-Project/RVC-Models-Downloader/releases/download/"
+        BASE_URL = (
+            "https://github.com/RVC-Project/RVC-Models-Downloader/releases/download/"
+        )
         suffix = "zip" if is_win else "tar.gz"
         RVCMD_URL = BASE_URL + f"v{version}/rvcmd_{system_type}_{architecture}.{suffix}"
         cmdfile = tmpdir + "/rvcmd"
@@ -192,11 +196,16 @@ def download_all_assets(tmpdir: str, version="0.2.2"):
             "windows_amd64": "427",
         }[f"{system_type}_{architecture}"]
         RVCMD_URL = BASE_URL + suffix
-        download_dns_yaml("https://raw.gitcode.com/u011570312/RVC-Models-Downloader/raw/main/dns.yaml", tmpdir)
+        download_dns_yaml(
+            "https://raw.gitcode.com/u011570312/RVC-Models-Downloader/raw/main/dns.yaml",
+            tmpdir,
+        )
         if is_win:
             download_and_extract_zip(RVCMD_URL, tmpdir)
             cmdfile += ".exe"
         else:
             download_and_extract_tar_gz(RVCMD_URL, tmpdir)
             os.chmod(cmdfile, 0o755)
-        subprocess.run([cmdfile, "-notui", "-w", "0", "-dns", f"{tmpdir}/dns.yaml", "assets/all"])
+        subprocess.run(
+            [cmdfile, "-notui", "-w", "0", "-dns", f"{tmpdir}/dns.yaml", "assets/all"]
+        )