title: NLTK - AttributeError: module 'nltk' has no attribute 'data'
body: <p>I used <code>nltk</code> in my code for a few days, but now, when I try to <code>import nltk</code>, I get the error:</p>
  
  <pre><code>File "C:\Users\Nada\Anaconda\lib\site-packages\nltk\corpus\reader\plaintext.py", line 42, in PlaintextCorpusReader 
  sent_tokenizer=nltk.data.LazyLoader(
  
  AttributeError: module 'nltk' has no attribute 'data'
  </code></pre>
  
  <p>I installed <code>weka package</code> yesterday but it didn't work, I don't know in this has anything to do with that...</p>
  
  <p>I tried to update it, but the error keeps showing up.</p>