From 5a3ef5b22af607666111c76764db0efffbef82be Mon Sep 17 00:00:00 2001
From: Ezio Melotti <ezio.melotti@gmail.com>
Date: Fri, 25 Jun 2010 10:56:11 +0000
Subject: #9018: os.path.normcase() now raises a TypeError if the argument is
 not str or bytes.

---
 Lib/os2emxpath.py | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Lib/os2emxpath.py')

diff --git a/Lib/os2emxpath.py b/Lib/os2emxpath.py
index 184c9b169a..0ccbf8ae7b 100644
--- a/Lib/os2emxpath.py
+++ b/Lib/os2emxpath.py
@@ -36,6 +36,9 @@ def normcase(s):
     """Normalize case of pathname.
 
     Makes all characters lowercase and all altseps into seps."""
+    if not isinstance(s, (bytes, str)):
+        raise TypeError("normcase() argument must be str or bytes, "
+                        "not '{}'".format(s.__class__.__name__))
     return s.replace('\\', '/').lower()
 
 
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