Don't use PyNumber_Float() since it's is nearly useless. Instead, rely on

nascheme · nascheme · commit 45c5d4df02a5 · 2002-11-18T16:02:29.000Z
PyFloat_AsDouble to generate a good error message. git-svn-id: http://svn.python.org/projects/python/trunk@29747 6015fed2-1504-0410-9fe1-9d1591cc4771
diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
@@ -214,11 +214,9 @@ select_select(PyObject *self, PyObject *args)
 		return NULL;
 	}
 	else {
-		tout = PyNumber_Float(tout);
-		if (!tout)
+		timeout = PyFloat_AsDouble(tout);
+		if (timeout == -1 && PyErr_Occurred())
 			return NULL;
-		timeout = PyFloat_AS_DOUBLE(tout);
-		Py_DECREF(tout);
 		if (timeout > (double)LONG_MAX) {
 			PyErr_SetString(PyExc_OverflowError,
 					"timeout period too long");
