Load a dialogue corpus; eventually, support pickles and potentially other formats

def load_corpus(self, path, config):
        '''Load a dialogue corpus; eventually, support pickles and potentially other formats'''

        # use the default dataset if no path is provided
        # TODO -- change this to use a pre-saved dataset
        if path == '':
            path = self.default_path_to_corpus

        self.data = Corpus(path=path, config=self.data_config)