def __init__(self, filename, path=None):
super(PyFileConfigLoader, self).__init__()<EOL>self.filename = filename<EOL>self.path = path<EOL>self.full_filename = '<STR_LIT>'<EOL>self.data = None<EOL>
Build a config loader for a filename and path.

        Parameters
        ----------
        filename : str
            The file name of the config file.
        path : str, list, tuple
            The path to search for the config file on, or a sequence of
            paths to try in order.