(t)
return _safe_key(t[0]), _safe_key(t[1])
Helper function for comparing 2-tuples
Helper function for comparing 2-tuples
Helper function for comparing 2 - tuples
def _safe_tuple(t):
    "Helper function for comparing 2-tuples"
    return _safe_key(t[0]), _safe_key(t[1])
def _safe_tuple ( t ) : return _safe_key ( t [ 0 ] ) , _safe_key ( t [ 1 ] )