pre-commit: run with pyupgrade --py38-plus

Author: consideRatio

helm-chart/binderhub/files/binderhub_config.py

@@ -6,7 +6,7 @@
 yaml = YAML(typ="safe")
 
 # memoize so we only load config once
-@lru_cache()
+@lru_cache
 def _load_values():
     """Load configuration from disk