complex_new(): This could leak when the argument was neither string nor

number.  This accounts for the 2 refcount leaks per test_complex run
Michael Hudson discovered (I figured only I would have the stomach to
look for leaks in floating-point code <wink>).

Misc/NEWS

@@ -12,6 +12,9 @@ What's New in Python 2.4 alpha 1?
 Core and builtins
 -----------------
 
+- complex(obj) could leak a little memory if obj wasn't a string or
+  number.
+
 - zip() with no arguments now returns an empty list instead of raising
   a TypeError exception.
 

Objects/complexobject.c

@@ -882,6 +882,9 @@ complex_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 	    ((i != NULL) && (nbi == NULL || nbi->nb_float == NULL))) {
 		PyErr_SetString(PyExc_TypeError,
 			   "complex() argument must be a string or a number");
+		if (own_r) {
+			Py_DECREF(r);
+		}
 		return NULL;
 	}
 	if (PyComplex_Check(r)) {