From b136f11f3a51f9282ae992bac68f170ca5563b55 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Mon, 10 Jul 2017 22:28:02 +0200
Subject: [PATCH] bpo-30892: Fix _elementtree module initialization (#2647)

Handle getattr(copy, 'deepcopy') error in _elementtree module
initialization.
---
 Modules/_elementtree.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Modules/_elementtree.c b/Modules/_elementtree.c
index eaa9e873d22..3537f19b1c7 100644
--- a/Modules/_elementtree.c
+++ b/Modules/_elementtree.c
@@ -3990,6 +3990,11 @@ PyInit__elementtree(void)
     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;