Handle yet another potential failure in testcapi
CID 1058280
diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c
index c3563fb..86ef713 100644
--- a/Modules/_testcapimodule.c
+++ b/Modules/_testcapimodule.c
@@ -2249,6 +2249,8 @@
 
     /* Test 7: Perform medium int addition */
     op1 = PyLong_FromLong(1000);
+    if (op1 == NULL)
+        return NULL;
     gettimeofday(&start, NULL);
     for(i=0; i < 10000000; i++) {
         result = PyNumber_Add(op1, op1);