!2360 Fix api doc of dataset build_vocab

Merge pull request !2360 from pengyanjun/fix_dataset_public_api_build_vocab
5 years ago · 9d3e0696d5
--- a/mindspore/dataset/engine/datasets.py
+++ b/mindspore/dataset/engine/datasets.py
@@ -895,7 +895,6 @@ class Dataset:
        return ProjectDataset(self, columns)

    def build_vocab(self, vocab, columns, freq_range, top_k, special_tokens, special_first):
        """ Internal function for building a vocab"""
        return BuildVocabDataset(self, vocab, columns, freq_range, top_k, special_tokens, special_first)

    def apply(self, apply_func):