def load(self):
        if os.path.exists(self.path):
            with open(self.path, 'r') as f:
                self.body_labels = collections.OrderedDict(json.load(f))
def _lastExpect(self):
        constructLine = self.previousExpectLine
        if self._connection is not None and isinstance(self._connection.before, str):
            constructLine += self._connection.before
        if self._connection is not None and isinstance(self._connection.after, str):
            constructLine += self._connection.after
        return  constructLine