python 2.7 -> python 3.14

extern/include/python/internal/pycore_interpolation.h

@@ -0,0 +1,26 @@
+#ifndef Py_INTERNAL_INTERPOLATION_H
+#define Py_INTERNAL_INTERPOLATION_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef Py_BUILD_CORE
+#  error "this header requires Py_BUILD_CORE define"
+#endif
+
+extern PyTypeObject _PyInterpolation_Type;
+
+#define _PyInterpolation_CheckExact(op) Py_IS_TYPE((op), &_PyInterpolation_Type)
+
+PyAPI_FUNC(PyObject *) _PyInterpolation_Build(PyObject *value, PyObject *str,
+                                              int conversion, PyObject *format_spec);
+
+extern PyStatus _PyInterpolation_InitTypes(PyInterpreterState *interp);
+extern PyObject *_PyInterpolation_GetValueRef(PyObject *interpolation);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif