- require setuptools

resolved if the for-loop's ``else:`` branch executes
track these dependencies.
would trigger C compiler warnings with tracing support enabled.
- Drop cython_use_imgmath.patch
- Update to 0.29.22
* Remove an incorrect cast when using true-division in C++ operations.
* C compile errors with CPython 3.8 were resolved.
needed by Ceph - stopgap measure until issue can be addressed
of the main source file.
- Remove Cython-fix-version-detection.patch
detecting Cython's presence. It is already merged upstream and
Note that despite what upstream says,
this, which is why the patch is going here instead of
* For loop docs fix and pointer iteration.
* Py2.4 fix: PySet_Pop() appeared in Py2.5