formatting

src/audiobook_tags/main.py

@@ -1,4 +1,5 @@
 """CLI for fixing mp3 tags for iOS audiobooks."""
+
 import sys
 from argparse import ArgumentParser, Namespace
 from typing import Tuple
@@ -37,7 +38,8 @@ def get_opts() -> Tuple[Namespace, ArgumentParser]:
         default=DEFAULT_ENCODING,
         dest="encoding",
         help=(
-            f'mp3 tags encoding. "{OPT_ENCODING_NO_ENCODING}" if you do not need mp3 tags encoding fix. '
+            f'mp3 tags encoding. "{OPT_ENCODING_NO_ENCODING}" '
+            f"if you do not need mp3 tags encoding fix. "
             f'By default "{DEFAULT_ENCODING}".'
         ),
     )
@@ -57,16 +59,20 @@ def get_opts() -> Tuple[Namespace, ArgumentParser]:
         help=(
             f"""Sort files and set mp3 tag `track_num`:
             --num="{OPT_TRACK_NUM_BY_FILE_NAMES}" - sort by names;
-            --num="{OPT_TRACK_NUM_BY_TAG_TITLE}<TAG>" - sort by mp3 tag with name <TAG>. 
-              For example to sort by title tag use --num="{OPT_TRACK_NUM_BY_TAG_TITLE}title"."""
+            --num="{OPT_TRACK_NUM_BY_TAG_TITLE}<TAG>" - sort by mp3 tag with name <TAG>.
+              For example to sort by title tag use 
+              --num="{OPT_TRACK_NUM_BY_TAG_TITLE}title"."""
         ),
     )
     parser.add_argument(
         "--prefix",
         "-p",
         default=None,
         dest="title_prefix",
-        help="Add prefix to title tags. By default `{track:04} - ` if `--num` and no prefix if not.",
+        help=(
+            "Add prefix to title tags. By default `{track:04} - ` "
+            "if `--num` and no prefix if not."
+        ),
     )
     parser.add_argument(
         "--dry",

src/audiobook_tags/tags.py

@@ -1,4 +1,5 @@
 """Fix audiobook tags in mp3 files."""
+
 import pathlib
 from argparse import Namespace
 from typing import List, Optional