diff --git a/src/mdformat/_cli.py b/src/mdformat/_cli.py
index 39491cd..6a61ca2 100644
--- a/src/mdformat/_cli.py
+++ b/src/mdformat/_cli.py
@@ -128,9 +128,9 @@ def make_arg_parser(
     plugin_versions_str = get_plugin_versions_str(parser_extensions, codeformatters)
     parser = argparse.ArgumentParser(
         description="CommonMark compliant Markdown formatter",
-        epilog=f"Installed plugins: {plugin_versions_str}"
-        if plugin_versions_str
-        else None,
+        epilog=(
+            f"Installed plugins: {plugin_versions_str}" if plugin_versions_str else None
+        ),
     )
     parser.add_argument("paths", nargs="*", help="files to format")
     parser.add_argument(
diff --git a/src/mdformat/codepoints/_unicode_punctuation.py b/src/mdformat/codepoints/_unicode_punctuation.py
index c0cc768..1a72919 100644
--- a/src/mdformat/codepoints/_unicode_punctuation.py
+++ b/src/mdformat/codepoints/_unicode_punctuation.py
@@ -2,6 +2,7 @@
 
 Run this module to generate and print an up-to-date set of characters.
 """
+
 UNICODE_PUNCTUATION = frozenset(
     (
         "!",
diff --git a/src/mdformat/codepoints/_unicode_whitespace.py b/src/mdformat/codepoints/_unicode_whitespace.py
index adce7cf..469aa58 100644
--- a/src/mdformat/codepoints/_unicode_whitespace.py
+++ b/src/mdformat/codepoints/_unicode_whitespace.py
@@ -2,6 +2,7 @@
 
 Run this module to generate and print an up-to-date set of characters.
 """
+
 UNICODE_WHITESPACE = frozenset(
     (
         "\t",
diff --git a/tests/test_commonmark_spec.py b/tests/test_commonmark_spec.py
index bb477c3..e8e52b9 100644
--- a/tests/test_commonmark_spec.py
+++ b/tests/test_commonmark_spec.py
@@ -101,9 +101,11 @@
     "entry",
     ALL_CASES,
     ids=[
-        c.values[0]["name"]  # type: ignore[index]
-        if isinstance(c, ParameterSet)
-        else c["name"]
+        (
+            c.values[0]["name"]  # type: ignore[index]
+            if isinstance(c, ParameterSet)
+            else c["name"]
+        )
         for c in ALL_CASES
     ],
 )
diff --git a/tests/test_for_profiler.py b/tests/test_for_profiler.py
index d160562..806e848 100644
--- a/tests/test_for_profiler.py
+++ b/tests/test_for_profiler.py
@@ -7,6 +7,7 @@
   - `tox -e profile`
   - `firefox .tox/prof/combined.svg`
 """
+
 from pathlib import Path
 
 from mdformat._cli import run