<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def load(self):
 """Loads the Python object Loads the Python object, either via loader(filename) or the pickled cache file, whichever was modified most recently. """

        if self._dict is None:
            if self.dirty:
                self._dict = self._loader(self.filename)
                self.cache()
            else:
                with open(self.cachename, 'rb') as stream:
                    self._dict = cPickle.load(stream)

        return self._dict