Message 264088 - Python tracker
This also affects co_consts, which includes constants that are no longer used by the optimized code:
In [8]: def f():
return (1, 2, 3, 4, 5)
...:
In [9]: f.func_code.co_consts
Out[9]: (None, 1, 2, 3, 4, 5, (1, 2, 3, 4, 5))
In [12]: dis.dis(f)
2 0 LOAD_CONST 6 ((1, 2, 3, 4, 5))
3 RETURN_VALUE