diff --git a/rwx/fs/__init__.py b/rwx/fs/__init__.py
index 0772a8d..1873da2 100644
--- a/rwx/fs/__init__.py
+++ b/rwx/fs/__init__.py
@@ -61,7 +61,7 @@ def get_path_mount(path: Path) -> Path:
             "stat",
             ("--format", "%m"),
             str(path),
-        )
+        ),
     )
 
 
diff --git a/rwx/ps/__init__.py b/rwx/ps/__init__.py
index 32740d1..81d2320 100644
--- a/rwx/ps/__init__.py
+++ b/rwx/ps/__init__.py
@@ -43,7 +43,9 @@ def run(*items: str | tuple[str, ...]) -> subprocess.CompletedProcess:
     :rtype: subprocess.CompletedProcess
     """
     return subprocess.run(
-        get_tuples_args(*items), capture_output=False, check=True
+        get_tuples_args(*items),
+        capture_output=False,
+        check=True,
     )
 
 
@@ -61,7 +63,8 @@ def run_line(*items: str | tuple[str, ...], charset: str = txt.CHARSET) -> str:
 
 
 def run_lines(
-    *items: str | tuple[str, ...], charset: str = txt.CHARSET
+    *items: str | tuple[str, ...],
+    charset: str = txt.CHARSET,
 ) -> list[str]:
     """Run and return output lines.