text: """
  
  Min Word Lenth
  --------------------------
  
  """
  
  from textattack.constraints import PreTransformationConstraint
  
  
  class MinWordLength(PreTransformationConstraint):
      """A constraint that prevents modifications to words less than a certain
      word character-length.
  
      :param min_length: Minimum word character-length needed for changes to be made to a word.
      """
  
      def __init__(self, min_length):
          self.min_length = min_length
  
      def _get_modifiable_indices(self, current_text):
          idxs = []
          for i, word in enumerate(current_text.words):
              if len(word) >= self.min_length:
                  idxs.append(i)
          return set(idxs)
  