docs: def is_unicode_string(string):
      """Validates that we are some kinda unicode string"""
      try:
          if sys.version_info >= (3, 0):
              # isn't a python 3 str actually unicode
              if not isinstance(string, str):
                  string.decode('utf-8')
  
          else:
              string.decode('utf-8')
      except UnicodeError:
          raise aomi.exceptions.Validation('Not a unicode string')