that still fails under -Qnew, and is so tied to details of current
behavior that fixing it before new division becomes the default is
impractical.
means all instances in library and 3rd-party modules, as well as in
your own code. As the PEP says, -Qnew is intended for use only in
educational environments with control over the libraries in use.
+ Note that test_coercion.py in the standard Python test suite fails
+ under -Qnew; this is expected, and won't be repaired until true
+ division becomes the default (in the meantime, test_coercion is
+ testing the current rules).
Extension modules