title: AttributeError: “ 'ChatBot' object has no attribute 'trains' ”
body: <p>I'm trying to use chatterbot to create a chatbot in telegram and use the function train() to generate the ChatBot but visual code(my editor) and atom can't recognize the library. Before I use pip install chatterbot in cmd and launched: </p>
  
  <pre><code>Successfully installed PyYAML-3.13 chatterbot-1.0.4 chatterbot-corpus-1.2.0 mathparse-0.1.2 nltk-3.4 pint-0.9 pymongo-3.7.2 singledispatch-3.4.0.3 sqlalchemy-1.2.18
  </code></pre>
  
  <p>I tried to re-install the library from cmd in visual code. But don't run the code. The error that show me is:</p>
  
  <pre><code>[nltk_data] Downloading package averaged_perceptron_tagger to
  [nltk_data]     C:\Users\KatiusKa\AppData\Roaming\nltk_data...
  [nltk_data]   Unzipping taggers\averaged_perceptron_tagger.zip.
  [nltk_data] Downloading package punkt to
  [nltk_data]     C:\Users\KatiusKa\AppData\Roaming\nltk_data...
  [nltk_data]   Unzipping tokenizers\punkt.zip.
  [nltk_data] Downloading package stopwords to
  [nltk_data]     C:\Users\KatiusKa\AppData\Roaming\nltk_data...
  [nltk_data]   Unzipping corpora\stopwords.zip.
  [nltk_data] Downloading package wordnet to
  [nltk_data]     C:\Users\KatiusKa\AppData\Roaming\nltk_data...
  [nltk_data]   Unzipping corpora\wordnet.zip.
  Traceback (most recent call last):
    File "C:\Users\KatiusKa\Documents\Python\chbot.py", line 8, in &lt;module&gt;
      chatbot.train(
  AttributeError: 'ChatBot' object has no attribute 'train'
  </code></pre>
  
  <p>This is the code in visual code:</p>
  
  <pre><code>from chatterbot import ChatBot
  
  chatbot = ChatBot(
      "Ejemplo Bot",
      trainer = "chatterbot.trainers.ChatterBotCorpusTrainer"
  )
  
  chatbot.train(
      "chatterbot.corpus.spanish"
  )
  </code></pre>
  
  <p><i>This is the code that I tried run from visual code</i></p>