commit b136f11f3a51f9282ae992bac68f170ca5563b55
author Victor Stinner <victor.stinner@gmail.com> Mon Jul 10 22:28:02 2017 +0200
committer GitHub <noreply@github.com> Mon Jul 10 22:28:02 2017 +0200
tree fbfce2b0b7ef241086922063b3d755ace9adb5cf
parent aa8d0a24694bea05061f1920ec3f944a9e6799d5

bpo-30892: Fix _elementtree module initialization (#2647)

Handle getattr(copy, 'deepcopy') error in _elementtree module
initialization.

Modules/_elementtree.c

diff --git a/Modules/_elementtree.c b/Modules/_elementtree.c
index eaa9e87..3537f19 100644
--- a/Modules/_elementtree.c
+++ b/Modules/_elementtree.c
@@ -3990,6 +3990,11 @@
     st->deepcopy_obj = PyObject_GetAttrString(temp, "deepcopy");
     Py_XDECREF(temp);
 
+    if (st->deepcopy_obj == NULL) {
+        return NULL;
+    }
+
+    assert(!PyErr_Occurred());
     if (!(st->elementpath_obj = PyImport_ImportModule("xml.etree.ElementPath")))
         return NULL;