def read_env_list()

in auth.py [0:0]

• 3 lines of code
• 3 McCabe index (conditional complexity)

def read_env_list(var_name: str) -> List[str]:
    """Reads a comma-separated list from the environment variable."""
    value = os.getenv(var_name, "")
    return [item.strip() for item in value.split(",") if item.strip()]