code: def fix_e271(self, result):
          
          line_index = result['line'] - 1
          target = self.source[line_index]
          offset = result['column'] - 1
  
          fixed = fix_whitespace(target,
                                 offset=offset,
                                 replacement=' ')
  
          if fixed == target:
              return []
          else:
              self.source[line_index] = fixed
docs: Fix extraneous whitespace around keywords.