diff --git a/mercurial/hgweb/server.py b/mercurial/hgweb/server.py
--- a/mercurial/hgweb/server.py
+++ b/mercurial/hgweb/server.py
@@ -94,7 +94,7 @@ class _httprequesthandler(httpservermod.
         try:
             self.do_hgweb()
         except socket.error as inst:
-            if inst[0] != errno.EPIPE:
+            if inst.errno != errno.EPIPE:
                 raise
 
     def do_POST(self):
diff --git a/mercurial/keepalive.py b/mercurial/keepalive.py
--- a/mercurial/keepalive.py
+++ b/mercurial/keepalive.py
@@ -636,7 +636,7 @@ def safesend(self, str):
             self.sentbytescount += len(str)
     except socket.error as v:
         reraise = True
-        if v[0] == errno.EPIPE:      # Broken pipe
+        if v.args[0] == errno.EPIPE:      # Broken pipe
             if self._HTTPConnection__state == httplib._CS_REQ_SENT:
                 self._broken_pipe_resp = None
                 self._broken_pipe_resp = self.getresponse()