X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/catacomb-python/blobdiff_plain/457b4e971a2795898c83a53ae4c27d6a893690d1..183e9cd31b1ac2f14b86c5de6ac2643b8a4364a2:/util.c

diff --git a/util.c b/util.c
index d4b7fb0..7118bfb 100644
--- a/util.c
+++ b/util.c
@@ -133,6 +133,7 @@ int convk64(PyObject *o, void *pp)
   int rc = 0;
   uint32 lo, hi;
 
+  if (!o) VALERR("can't delete");
   if (init_i32()) goto end;
   if ((i = PyNumber_Int(o)) == 0) goto end;
   lo = PyInt_AsUnsignedLongMask(i);