diff --git a/matchering/__init__.py b/matchering/__init__.py
index 2a1cf2b..374a4bf 100644
--- a/matchering/__init__.py
+++ b/matchering/__init__.py
@@ -14,7 +14,13 @@
 __title__ = "matchering"
 
 __author__ = "Sergree"
-__credits__ = ["Sergey Grishakov", "Igor Isaev", "Chin Yun Yu", "Elizaveta Grishakova", "Zicklag"]
+__credits__ = [
+    "Sergey Grishakov",
+    "Igor Isaev",
+    "Chin Yun Yu",
+    "Elizaveta Grishakova",
+    "Zicklag",
+]
 __maintainer__ = "Sergree"
 __email__ = "sergree@vk.com"
 __license__ = "GPLv3"
diff --git a/matchering/defaults.py b/matchering/defaults.py
index 5af0a9c..7db7608 100644
--- a/matchering/defaults.py
+++ b/matchering/defaults.py
@@ -64,7 +64,7 @@ def __init__(
         internal_sample_rate: int = 44100,
         max_length: float = 15 * 60,
         max_piece_size: float = 15,
-        threshold: float = (2 ** 15 - 61) / 2 ** 15,
+        threshold: float = (2**15 - 61) / 2**15,
         min_value: float = 1e-6,
         fft_size: int = 4096,
         lin_log_oversampling: int = 4,