10 files changed, 30 insertions, 48 deletions
diff --git a/yt_dlp/postprocessor/__init__.py b/yt_dlp/postprocessor/__init__.py
index e47631eb6..f168be46a 100644
--- a/yt_dlp/postprocessor/__init__.py
+++ b/yt_dlp/postprocessor/__init__.py
@@ -1,27 +1,25 @@
 # flake8: noqa: F401
 
-from ..utils import load_plugins
-
 from .common import PostProcessor
 from .embedthumbnail import EmbedThumbnailPP
-from .exec import ExecPP, ExecAfterDownloadPP
+from .exec import ExecAfterDownloadPP, ExecPP
 from .ffmpeg import (
-    FFmpegPostProcessor,
-    FFmpegCopyStreamPP,
     FFmpegConcatPP,
+    FFmpegCopyStreamPP,
     FFmpegEmbedSubtitlePP,
     FFmpegExtractAudioPP,
     FFmpegFixupDuplicateMoovPP,
     FFmpegFixupDurationPP,
-    FFmpegFixupStretchedPP,
-    FFmpegFixupTimestampPP,
     FFmpegFixupM3u8PP,
     FFmpegFixupM4aPP,
+    FFmpegFixupStretchedPP,
+    FFmpegFixupTimestampPP,
     FFmpegMergerPP,
     FFmpegMetadataPP,
+    FFmpegPostProcessor,
+    FFmpegSplitChaptersPP,
     FFmpegSubtitlesConvertorPP,
     FFmpegThumbnailsConvertorPP,
-    FFmpegSplitChaptersPP,
     FFmpegVideoConvertorPP,
     FFmpegVideoRemuxerPP,
 )
@@ -35,6 +33,7 @@ from .movefilesafterdownload import MoveFilesAfterDownloadPP
 from .sponskrub import SponSkrubPP
 from .sponsorblock import SponsorBlockPP
 from .xattrpp import XAttrMetadataPP
+from ..utils import load_plugins
 
 _PLUGIN_CLASSES = load_plugins('postprocessor', 'PP', globals())
 
diff --git a/yt_dlp/postprocessor/common.py b/yt_dlp/postprocessor/common.py
index 3f55b24f2..ce6dec2f5 100644
--- a/yt_dlp/postprocessor/common.py
+++ b/yt_dlp/postprocessor/common.py
@@ -6,10 +6,10 @@ import time
 import urllib.error
 
 from ..utils import (
+    PostProcessingError,
     _configuration_args,
     encodeFilename,
     network_exceptions,
-    PostProcessingError,
     sanitized_Request,
     write_string,
 )
diff --git a/yt_dlp/postprocessor/embedthumbnail.py b/yt_dlp/postprocessor/embedthumbnail.py
index 2fca97784..5469f25e0 100644
--- a/yt_dlp/postprocessor/embedthumbnail.py
+++ b/yt_dlp/postprocessor/embedthumbnail.py
@@ -1,11 +1,11 @@
 import base64
 import imghdr
 import os
-import subprocess
 import re
+import subprocess
 
 try:
-    from mutagen.flac import Picture, FLAC
+    from mutagen.flac import FLAC, Picture
     from mutagen.mp4 import MP4, MP4Cover
     from mutagen.oggopus import OggOpus
     from mutagen.oggvorbis import OggVorbis
@@ -14,17 +14,14 @@ except ImportError:
     has_mutagen = False
 
 from .common import PostProcessor
-from .ffmpeg import (
-    FFmpegPostProcessor,
-    FFmpegThumbnailsConvertorPP,
-)
+from .ffmpeg import FFmpegPostProcessor, FFmpegThumbnailsConvertorPP
 from ..utils import (
+    Popen,
+    PostProcessingError,
     check_executable,
     encodeArgument,
     encodeFilename,
     error_to_compat_str,
-    Popen,
-    PostProcessingError,
     prepend_extension,
     shell_quote,
 )
diff --git a/yt_dlp/postprocessor/exec.py b/yt_dlp/postprocessor/exec.py
index 6621889d5..cfc83167c 100644
--- a/yt_dlp/postprocessor/exec.py
+++ b/yt_dlp/postprocessor/exec.py
@@ -2,11 +2,7 @@ import subprocess
 
 from .common import PostProcessor
 from ..compat import compat_shlex_quote
-from ..utils import (
-    encodeArgument,
-    PostProcessingError,
-    variadic,
-)
+from ..utils import PostProcessingError, encodeArgument, variadic
 
 
 class ExecPP(PostProcessor):
diff --git a/yt_dlp/postprocessor/ffmpeg.py b/yt_dlp/postprocessor/ffmpeg.py
index 3175c8d10..69182618b 100644
--- a/yt_dlp/postprocessor/ffmpeg.py
+++ b/yt_dlp/postprocessor/ffmpeg.py
@@ -1,27 +1,26 @@
 import collections
 import itertools
+import json
 import os
+import re
 import subprocess
 import time
-import re
-import json
 
 from .common import AudioConversionError, PostProcessor
-
 from ..compat import compat_str
 from ..utils import (
+    ISO639Utils,
+    Popen,
+    PostProcessingError,
+    _get_exe_version_output,
+    detect_exe_version,
     determine_ext,
     dfxp2srt,
     encodeArgument,
     encodeFilename,
     float_or_none,
-    _get_exe_version_output,
-    detect_exe_version,
     is_outdated_version,
-    ISO639Utils,
     orderedSet,
-    Popen,
-    PostProcessingError,
     prepend_extension,
     replace_extension,
     shell_quote,
@@ -30,7 +29,6 @@ from ..utils import (
     write_json_file,
 )
 
-
 EXT_TO_OUT_FORMATS = {
     'aac': 'adts',
     'flac': 'flac',
diff --git a/yt_dlp/postprocessor/modify_chapters.py b/yt_dlp/postprocessor/modify_chapters.py
index 22506bc21..7e2c23288 100644
--- a/yt_dlp/postprocessor/modify_chapters.py
+++ b/yt_dlp/postprocessor/modify_chapters.py
@@ -3,17 +3,9 @@ import heapq
 import os
 
 from .common import PostProcessor
-from .ffmpeg import (
-    FFmpegPostProcessor,
-    FFmpegSubtitlesConvertorPP
-)
+from .ffmpeg import FFmpegPostProcessor, FFmpegSubtitlesConvertorPP
 from .sponsorblock import SponsorBlockPP
-from ..utils import (
-    orderedSet,
-    PostProcessingError,
-    prepend_extension,
-)
-
+from ..utils import PostProcessingError, orderedSet, prepend_extension
 
 _TINY_CHAPTER_DURATION = 1
 DEFAULT_SPONSORBLOCK_CHAPTER_TITLE = '[SponsorBlock]: %(category_names)l'
diff --git a/yt_dlp/postprocessor/movefilesafterdownload.py b/yt_dlp/postprocessor/movefilesafterdownload.py
index bc3d15ca4..436d13227 100644
--- a/yt_dlp/postprocessor/movefilesafterdownload.py
+++ b/yt_dlp/postprocessor/movefilesafterdownload.py
@@ -3,10 +3,10 @@ import shutil
 
 from .common import PostProcessor
 from ..utils import (
+    PostProcessingError,
     decodeFilename,
     encodeFilename,
     make_dir,
-    PostProcessingError,
 )
 
 
diff --git a/yt_dlp/postprocessor/sponskrub.py b/yt_dlp/postprocessor/sponskrub.py
index 38089de08..1a9f5dc66 100644
--- a/yt_dlp/postprocessor/sponskrub.py
+++ b/yt_dlp/postprocessor/sponskrub.py
@@ -4,15 +4,15 @@ import subprocess
 
 from .common import PostProcessor
 from ..utils import (
+    Popen,
+    PostProcessingError,
     check_executable,
     cli_option,
     encodeArgument,
     encodeFilename,
+    prepend_extension,
     shell_quote,
     str_or_none,
-    Popen,
-    PostProcessingError,
-    prepend_extension,
 )
 
 
diff --git a/yt_dlp/postprocessor/sponsorblock.py b/yt_dlp/postprocessor/sponsorblock.py
index 7943014e2..501e30320 100644
--- a/yt_dlp/postprocessor/sponsorblock.py
+++ b/yt_dlp/postprocessor/sponsorblock.py
@@ -1,6 +1,6 @@
-from hashlib import sha256
 import json
 import re
+from hashlib import sha256
 
 from .ffmpeg import FFmpegPostProcessor
 from ..compat import compat_urllib_parse_urlencode
diff --git a/yt_dlp/postprocessor/xattrpp.py b/yt_dlp/postprocessor/xattrpp.py
index 5ad8509e7..3c431941b 100644
--- a/yt_dlp/postprocessor/xattrpp.py
+++ b/yt_dlp/postprocessor/xattrpp.py
@@ -1,11 +1,11 @@
 from .common import PostProcessor
 from ..compat import compat_os_name
 from ..utils import (
-    hyphenate_date,
-    write_xattr,
     PostProcessingError,
     XAttrMetadataError,
     XAttrUnavailableError,
+    hyphenate_date,
+    write_xattr,
 )