gistfile1.py

import nltk
from sussex_nltk.corpus_readers import TwitterCorpusReader

tcr = TwitterCorpusReader()
tokens = tcr.sample_words_by_sents(25000)   #get a sample of tokens
fd = nltk.probability.FreqDist(tokens)      #build a frequency distribution over tokens
probability_distribution = nltk.probability.LidstoneProbDist(fd, 0.001) #build a probability distribution

#Create a spell checker with new probability distribution
s = SpellChecker(probability_distribution)

#Now use the spellchecker how you normally would