diff --git a/slurmutils/editors/cgroupconfig.py b/slurmutils/editors/cgroupconfig.py
index 5afa30b..fb53fbf 100644
--- a/slurmutils/editors/cgroupconfig.py
+++ b/slurmutils/editors/cgroupconfig.py
@@ -22,7 +22,7 @@
 from pathlib import Path
 from typing import Union
 
-from ..models import  CgroupConfig
+from ..models import CgroupConfig
 from ..models.option import CgroupConfigOptionSet
 from .editor import (
     clean,
diff --git a/slurmutils/editors/editor.py b/slurmutils/editors/editor.py
index 6f059ea..6544a04 100644
--- a/slurmutils/editors/editor.py
+++ b/slurmutils/editors/editor.py
@@ -49,7 +49,7 @@ def parse_line(options, line: str) -> Dict[str, Any]:
             raise EditorError(
                 (
                     f"unable to parse configuration option {k}. "
-                    + f"valid configuration options are {[opt for opt in options.keys()]}"
+                    + f"valid configuration options are {list(options.keys())}"
                 )
             )
 
diff --git a/tests/unit/editors/test_cgroupconfig.py b/tests/unit/editors/test_cgroupconfig.py
index 1a795fd..b0c8082 100644
--- a/tests/unit/editors/test_cgroupconfig.py
+++ b/tests/unit/editors/test_cgroupconfig.py
@@ -20,7 +20,6 @@
 
 from slurmutils.editors import cgroupconfig
 
-
 EXAMPLE_CGROUP_CONF = """#
 # `cgroup.conf` file generated at 2024-09-18 15:10:44.652017 by slurmutils.
 #