# HG changeset patch
# User Augie Fackler <augie@google.com>
# Date 2018-08-10 07:33:38
# Node ID 730e7d92a023a43ed8f6e205ceb6df03045db21c
# Parent  a2fa7247ca70976daa3986023e775fb254b6934d

debugcommands: urlerror only has a read() method in Python 2

Differential Revision: https://phab.mercurial-scm.org/D4258

diff --git a/mercurial/debugcommands.py b/mercurial/debugcommands.py
--- a/mercurial/debugcommands.py
+++ b/mercurial/debugcommands.py
@@ -3207,7 +3207,8 @@ def debugwireproto(ui, repo, path=None, 
                 res = opener.open(req)
                 body = res.read()
             except util.urlerr.urlerror as e:
-                e.read()
+                # read() method must be called, but only exists in Python 2
+                getattr(e, 'read', lambda: None)()
                 continue
 
             if res.headers.get('Content-Type') == 'application/mercurial-cbor':