解決如下：原因在於缺少一個模塊
window 下
>>>python
>>> import nltk
>>> nltk.download('punkt')
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Resource wordnet not found. Please use the NLTK Downloader to obtain the resource:
LookupError: Resource averaged_perceptron_tagger not found. Please use the NLTK Downloader to obtain the resource:
>>> FilterDispatcher <<< is deprecated! Please use the new filters!
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運行nltk示例 Resource u'tokenizers punkt english.pickle' not found解決
去掉DL is deprecated， please use Fiddle警告信息
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