diff --git a/src/ytdl_sub/config/config_validator.py b/src/ytdl_sub/config/config_validator.py
index 96577cec..b5d53586 100644
--- a/src/ytdl_sub/config/config_validator.py
+++ b/src/ytdl_sub/config/config_validator.py
@@ -6,7 +6,8 @@ from mergedeep import mergedeep
 
 from ytdl_sub.prebuilt_presets import PREBUILT_PRESETS
 from ytdl_sub.utils.system import IS_WINDOWS
-from ytdl_sub.validators.file_path_validators import FFmpegFileValidator, FFprobeFileValidator
+from ytdl_sub.validators.file_path_validators import FFmpegFileValidator
+from ytdl_sub.validators.file_path_validators import FFprobeFileValidator
 from ytdl_sub.validators.strict_dict_validator import StrictDictValidator
 from ytdl_sub.validators.validators import LiteralDictValidator
 from ytdl_sub.validators.validators import StringValidator
diff --git a/src/ytdl_sub/validators/file_path_validators.py b/src/ytdl_sub/validators/file_path_validators.py
index 1ca0e9e9..0a9cc41f 100644
--- a/src/ytdl_sub/validators/file_path_validators.py
+++ b/src/ytdl_sub/validators/file_path_validators.py
@@ -10,14 +10,15 @@ from ytdl_sub.validators.validators import StringValidator
 
 class FFmpegFileValidator(StringValidator):
     _expected_value_type_name = "ffmpeg dependency"
-    _ffmpeg_dependency = 'ffmpeg'
+    _ffmpeg_dependency = "ffmpeg"
 
     def __init__(self, name: str, value: Any):
         super().__init__(name, value)
         if not os.path.isfile(self.value):
             raise self._validation_exception(
-                f"Expects an {self._ffmpeg_dependency} executable at '{self.value}', but does not exist. "
-                f"See https://github.com/jmbannon/ytdl-sub#installation on how to install ffmpeg dependencies."
+                f"Expects an {self._ffmpeg_dependency} executable at '{self.value}', but "
+                f"does not exist. See https://github.com/jmbannon/ytdl-sub#installation on how "
+                f"to install ffmpeg dependencies."
             )
 
     @property
@@ -25,9 +26,11 @@ class FFmpegFileValidator(StringValidator):
         """Turn into a Path, then a string, to get correct directory separators"""
         return str(Path(self._value))
 
+
 class FFprobeFileValidator(FFmpegFileValidator):
     _ffmpeg_dependency = "ffprobe"
 
+
 class StringFormatterFilePathValidator(StringFormatterValidator):
     _expected_value_type_name = "filepath"