From: Guido van Rossum <guido@python.org>
Date: Thu, 22 Aug 1996 21:20:46 +0000 (+0000)
Subject: imghdr.what(): check for not h'.  This lets
X-Git-Tag: v1.4b3~49
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f813f56bcdaadb127ede42b4e36935e277a26f5b;p=thirdparty%2FPython%2Fcpython.git

imghdr.what(): check for not h'.  This lets
you do:
    imghdr.what(None, '')
And still go down the
---

diff --git a/Lib/imghdr.py b/Lib/imghdr.py
index 10cc08596ecf..f3137c5afb04 100644
--- a/Lib/imghdr.py
+++ b/Lib/imghdr.py
@@ -6,7 +6,7 @@
 #-------------------------#
 
 def what(filename, h=None):
-	if not h:
+	if h is None:
 		f = open(filename, 'r')
 		h = f.read(32)
 	else: