code: def _normalize(self, string):
  		''' Returns a sanitized string. '''
  
  		string = string.replace(u'\xa0', '')
  		string = string.strip()
  		return strinf _normalize(self, string):
  		''' Returns a sanitized string. '''
  
  		string = string.replace(u'\xa0', '')
  		string = string.strip()
  		return string
docs: Returns a sanitized string.