<error descr="Python version 2.7 does not have module builtins"><warning descr="Python version 2.6 does not have module builtins">import builtins</warning></error>

<warning descr="Python version 3.4, 3.5, 3.6, 3.7, 3.8, 3.9 do not have module __builtin__">import __builtin__</warning>