docs: def save(self, path, format, binary=False, use_load_condition=False):
          """
          Save object as word embedding file. For most arguments, you should refer
          to :func:`~word_embedding_loader.word_embedding.WordEmbedding.load`.
  
          Args:
              use_load_condition (bool): If `True`, options from
                  :func:`~word_embedding_loader.word_embedding.WordEmbedding.load`
                  is used.
  
          Raises:
              ValueError: ``use_load_condition == True`` but the object is not
                  initialized via
                  :func:`~word_embedding_loader.word_embedding.WordEmbedding.load`.
          """
          if use_load_condition:
              if self._load_cond is None:
                  raise ValueError(
                      b"use_load_condition was specified but the object is not "
                      b"loaded from a file")
              # Use load condition
              mod = self._load_cond
          else:
              mod = _select_module(format, binary)
  
  
          if self.freqs is None:
              itr = list(
                  sorted(six.iteritems(self.vocab), key=lambda k_v: k_v[1]))
          else:
              itr = list(
                  sorted(six.iteritems(self.vocab),
                         key=lambda k_v: self.freqs[k_v[0]], reverse=True)
              )
  
          with open(path, mode='wb') as f:
              mod.saver.save(f, self.vectors, itr)