commit 05b84439a3541ea3a2fdda9f8abfd46b64c431e8
author Berker Peksag <berker.peksag@gmail.com> Mon Oct 17 01:05:04 2016 +0300
committer Berker Peksag <berker.peksag@gmail.com> Mon Oct 17 01:05:04 2016 +0300
tree e3c1054e86b2247190703d9273341048203ad16d
parent 197332ae5a9d4885806b5cceafef650c4e8f8b77

Issue #21720: Improve exception message when the type of fromlist is unicode

Python/import.c

diff --git a/Python/import.c b/Python/import.c
index af47b0b..1d74faf 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -2591,8 +2591,9 @@
             return 0;
         }
         if (!PyString_Check(item)) {
-            PyErr_SetString(PyExc_TypeError,
-                            "Item in ``from list'' not a string");
+            PyErr_Format(PyExc_TypeError,
+                         "Item in ``from list'' must be str, not %.200s",
+                         Py_TYPE(item)->tp_name);
             Py_DECREF(item);
             return 0;
         }