except binascii.Error instead of Exception in middlewares

1 files changed, 2 insertions, 1 deletions

diff --git a/wsgitools/middlewares.py b/wsgitools/middlewares.py
index 146d7a5..297e646 100644
--- a/wsgitools/middlewares.py
+++ b/wsgitools/middlewares.py
@@ -3,6 +3,7 @@ __all__ = []
 import time
 import sys
 import cgitb
+import binascii
 from wsgitools.filters import CloseableList, CloseableIterator
 try:
     import cStringIO as StringIO
@@ -300,7 +301,7 @@ class BasicAuthMiddleware:
         auth_type, enc_auth_info = auth.split(None, 1)
         try:
             auth_info = enc_auth_info.decode("base64")
-        except Exception: # It throws something from binascii.
+        except binascii.Error:
             return self.authorization_required(environ, start_response)
         if auth_type.lower() != "basic" or ':' not in auth_info:
             return self.authorization_required(environ, start_response)