from pathlib import PosixPath import os class ConfigFileNotFoundError(OSError): def __str__(self): if len(self.args) == 2: path: str = "" filename: str = "" if isinstance(self.args[0], PosixPath): path = str(PosixPath(self.args[0])) else: path = str(self.args[0]) filename = str(self.args[1]) path = os.path.join(path, filename) return f"Config file does not exist: {path}" else: return super.__str__(self)