Angus Gibson authored Jul 19, 2022 and Andreas Klöckner committed Jul 19, 2022

A recent change to pybind11 (1d81191, "Disable implicit
conversion of 0 to pybind11::handle.") removes implicit
conversions of "0" to a pybind handle, which the definition of
ISLError relied on. We should explicitly use a nullptr anyway,
which is compatible with newer and older pybind11 versions.

* fix macOS barvinok build

* fix invalid python function name

* special casing for invalid py identifier

* gen_wrap: read stride_info.h

* Add preprocessed stride_info.h

Run pyupgrade

https://github.com/inducer/modepy/pull/38#issuecomment-846472970

cc @victorshoup