diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 99f4327d..8febbeb4 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -29,7 +29,7 @@ repos:
     -   id: pyproject-fmt
 
 -   repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.3.3
+    rev: v0.3.4
     hooks:
     -   id: ruff
 
diff --git a/libheif/linux_build_libs.py b/libheif/linux_build_libs.py
index f513a4d9..db94ed0f 100644
--- a/libheif/linux_build_libs.py
+++ b/libheif/linux_build_libs.py
@@ -99,9 +99,7 @@ def check_install_nasm(version: str):
 
 def is_musllinux() -> bool:
     _ = run("ldd --version".split(), stdout=PIPE, stderr=STDOUT, check=False)
-    if _.stdout and _.stdout.decode("utf-8").find("musl") != -1:
-        return True
-    return False
+    return bool(_.stdout and _.stdout.decode("utf-8").find("musl") != -1)
 
 
 def is_library_installed(name: str) -> bool:
diff --git a/pillow_heif/as_plugin.py b/pillow_heif/as_plugin.py
index d7a2c072..f6e90367 100644
--- a/pillow_heif/as_plugin.py
+++ b/pillow_heif/as_plugin.py
@@ -139,20 +139,7 @@ def _is_supported_heif(fp) -> bool:
     magic = _get_bytes(fp, 12)
     if magic[4:8] != b"ftyp":
         return False
-    if magic[8:12] in (
-        b"heic",
-        b"heix",
-        b"heim",
-        b"heis",
-        b"hevc",
-        b"hevx",
-        b"hevm",
-        b"hevs",
-        b"mif1",
-        b"msf1",
-    ):
-        return True
-    return False
+    return magic[8:12] in (b"heic", b"heix", b"heim", b"heis", b"hevc", b"hevx", b"hevm", b"hevs", b"mif1", b"msf1")
 
 
 def _save_heif(im, fp, _filename):