Check presence of default config files.

        :rtype: bool

def _check_config(self):
        """
        Check presence of default config files.

        :rtype: bool
        """
        current_path = os.path.relpath(os.getcwd())

        accepted_files = ["orator.yml", "orator.py"]
        for accepted_file in accepted_files:
            config_file = os.path.join(current_path, accepted_file)
            if os.path.exists(config_file):
                if self._handle_config(config_file):
                    return True

        return False