(self)
return utf8decode(self.peek_key_bytes())[0]
Returns the next closest key in the graph as a decoded unicode
        string.
Returns the next closest key in the graph as a decoded unicode
        string.
Returns the next closest key in the graph as a decoded unicode string .
def peek_key_string(self):
        """Returns the next closest key in the graph as a decoded unicode
        string.
        """

        return utf8decode(self.peek_key_bytes())[0]
def peek_key_string ( self ) : return utf8decode ( self . peek_key_bytes ( ) ) [ 0 ]