diff --git a/tg/config.py b/tg/config.py
index 8151534..efdfbb1 100644
--- a/tg/config.py
+++ b/tg/config.py
@@ -32,7 +32,9 @@ NOTIFY_CMD = "/usr/local/bin/terminal-notifier -title '{title}' -subtitle '{subt
 if _os_name == _linux:
     RECORD_CMD = "ffmpeg -f alsa -i default -ar 22050 -b:a 32k '{file_path}'"
 else:
-    RECORD_CMD = "ffmpeg -f avfoundation -i default -ar 22050 -b:a 32k '{file_path}'"
+    RECORD_CMD = (
+        "ffmpeg -f avfoundation -i default -ar 22050 -b:a 32k '{file_path}'"
+    )
 
 # TODO: use mailcap instead of editor
 LONG_MSG_CMD = "vim -c 'startinsert' {file_path}"