title: How to use TextBlob.correct() for a column in a dataframe
body: <p>I'm trying to apply spelling correction to some tweets. </p>
  
  <p>I have tried the following code: 
  <code>train.text.apply(lambda x: " ".join([TextBlob(i).correct() for i in x.split()]))</code></p>
  
  <p>However, I get an error. Could you please advise? Thanks in advance!</p>