From 99a51d4e5b154a7b8d971090fecc1e34769a3ca1 Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 19 Sep 2017 05:51:19 -0700
Subject: [3.6] bpo-31315: Fix an assertion failure in imp.create_dynamic(),
 when spec.name is not a string. (GH-3257) (#3653)

(cherry picked from commit 9974e1bcf3d0cec9b38b39b39b7ec8a1ebd9ef54)
---
 Python/importdl.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'Python/importdl.c')

diff --git a/Python/importdl.c b/Python/importdl.c
index f56fa94cc4..326b26fd06 100644
--- a/Python/importdl.c
+++ b/Python/importdl.c
@@ -103,6 +103,11 @@ _PyImport_LoadDynamicModuleWithSpec(PyObject *spec, FILE *fp)
     if (name_unicode == NULL) {
         return NULL;
     }
+    if (!PyUnicode_Check(name_unicode)) {
+        PyErr_SetString(PyExc_TypeError,
+                        "spec.name must be a string");
+        goto error;
+    }
 
     name = get_encoded_name(name_unicode, &hook_prefix);
     if (name == NULL) {
-- 
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