parameters: (self)
return_statement: return self._is_open
docstring: ``True`` if the instance is currently open.
docstring_summary: ``True`` if the instance is currently open.
docstring_tokens: True if the instance is currently open .
function: def is_open(self):
          """ ``True`` if the instance is currently open. """
          return self._is_open
function_tokens: def is_open ( self ) : return self . _is_open