Description of problem:
Package python-gradunwarp fails to build from source in Fedora Rawhide.

Version-Release number of selected component (if applicable):
1.2.2-6.fc41

Steps to Reproduce:
koji build --scratch f42 python-gradunwarp-1.2.2-6.fc41.src.rpm

Additional info:
This package is tracked by Koschei. See:
https://koschei.fedoraproject.org/package/python-gradunwarp

Reproducible: Always

Actual Results:  
  gradunwarp/core/interp3_ext.c: In function ‘interp3’:
  gradunwarp/core/interp3_ext.c:93:31: error: lvalue required as left operand of assignment
     93 |         PyArray_FLAGS(result) |= NPY_OWNDATA;
        |                               ^~
  gradunwarp/core/interp3_ext.c:97:51: warning: passing argument 1 of ‘(PyObject * (*)(PyObject *))*(PyArray_API + 784)’ from incompatible pointer type [-Wincompatible-pointer-types]
     97 |     itr_v = (PyArrayIterObject *) PyArray_IterNew(result);
        |                                                   ^~~~~~
        |                                                   |
        |                                                   PyArrayObject * {aka struct tagPyArrayObject_fields *}
  gradunwarp/core/interp3_ext.c:97:51: note: expected ‘PyObject *’ {aka ‘struct _object *’} but argument is of type ‘PyArrayObject *’ {aka ‘struct tagPyArrayObject_fields *’}
  gradunwarp/core/interp3_ext.c:98:51: warning: passing argument 1 of ‘(PyObject * (*)(PyObject *))*(PyArray_API + 784)’ from incompatible pointer type [-Wincompatible-pointer-types]
     98 |     itr_r = (PyArrayIterObject *) PyArray_IterNew(R);
        |                                                   ^
        |                                                   |
        |                                                   PyArrayObject * {aka struct tagPyArrayObject_fields *}
  gradunwarp/core/interp3_ext.c:98:51: note: expected ‘PyObject *’ {aka ‘struct _object *’} but argument is of type ‘PyArrayObject *’ {aka ‘struct tagPyArrayObject_fields *’}
  gradunwarp/core/interp3_ext.c:99:51: warning: passing argument 1 of ‘(PyObject * (*)(PyObject *))*(PyArray_API + 784)’ from incompatible pointer type [-Wincompatible-pointer-types]
     99 |     itr_c = (PyArrayIterObject *) PyArray_IterNew(C);
        |                                                   ^
        |                                                   |
        |                                                   PyArrayObject * {aka struct tagPyArrayObject_fields *}
  gradunwarp/core/interp3_ext.c:99:51: note: expected ‘PyObject *’ {aka ‘struct _object *’} but argument is of type ‘PyArrayObject *’ {aka ‘struct tagPyArrayObject_fields *’}
  gradunwarp/core/interp3_ext.c:100:51: warning: passing argument 1 of ‘(PyObject * (*)(PyObject *))*(PyArray_API + 784)’ from incompatible pointer type [-Wincompatible-pointer-types]
    100 |     itr_s = (PyArrayIterObject *) PyArray_IterNew(S);
        |                                                   ^
        |                                                   |
        |                                                   PyArrayObject * {aka struct tagPyArrayObject_fields *}
  gradunwarp/core/interp3_ext.c:100:51: note: expected ‘PyObject *’ {aka ‘struct _object *’} but argument is of type ‘PyArrayObject *’ {aka ‘struct tagPyArrayObject_fields *’}
  gradunwarp/core/interp3_ext.c:123:16: warning: returning ‘PyArrayObject *’ {aka ‘struct tagPyArrayObject_fields *’} from a function with incompatible return type ‘PyObject *’ {aka ‘struct _object *’} [-Wincompatible-pointer-types]
    123 |         return result;
        |                ^~~~~~
  error: command '/usr/bin/gcc' failed with exit code 1