diff --git a/nibabel/openers.py b/nibabel/openers.py
index c3fa9a478..9a306d4e4 100644
--- a/nibabel/openers.py
+++ b/nibabel/openers.py
@@ -68,7 +68,7 @@ def __init__(
                 raise TypeError('Must define either fileobj or filename')
             # Cast because GzipFile.myfileobj has type io.FileIO while open returns ty.IO
             fileobj = self.myfileobj = ty.cast(io.FileIO, open(filename, modestr))
-        return super().__init__(
+        super().__init__(
             filename='',
             mode=modestr,
             compresslevel=compresslevel,
diff --git a/nibabel/tmpdirs.py b/nibabel/tmpdirs.py
index 9d67f6acb..2bcf9fdeb 100644
--- a/nibabel/tmpdirs.py
+++ b/nibabel/tmpdirs.py
@@ -54,7 +54,7 @@ def __init__(self, suffix='', prefix=tempfile.template, dir=None):
         >>> os.path.exists(tmpdir)
         False
         """
-        return super().__init__(suffix, prefix, dir)
+        super().__init__(suffix, prefix, dir)
 
 
 @contextmanager
diff --git a/pyproject.toml b/pyproject.toml
index 2840119c4..915ea9b81 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -118,6 +118,7 @@ exclude = ["doc", "nibabel/externals", "tools", "version.py", "versioneer.py"]
 select = [
     "F",
     "I",
+    "PLE",
     "Q",
     "UP",
 ]