Backported PyCapsule from 3.1, and converted most uses of
CObject to PyCapsule.
diff --git a/Modules/_elementtree.c b/Modules/_elementtree.c
index 0aa1ebb..4311ba2 100644
--- a/Modules/_elementtree.c
+++ b/Modules/_elementtree.c
@@ -3059,7 +3059,7 @@
#if defined(USE_PYEXPAT_CAPI)
/* link against pyexpat, if possible */
- expat_capi = PyCObject_Import("pyexpat", "expat_CAPI");
+ expat_capi = PyCapsule_Import(PyExpat_CAPSULE_NAME, 0);
if (expat_capi) {
/* check that it's usable */
if (strcmp(expat_capi->magic, PyExpat_CAPI_MAGIC) != 0 ||