diff -r d51c658d3f04 -r 56b2bcea2529 mercurial/hgweb/server.py
--- a/mercurial/hgweb/server.py	Mon Oct 05 22:49:24 2015 -0700
+++ b/mercurial/hgweb/server.py	Thu Oct 08 12:55:45 2015 -0700
@@ -208,7 +208,7 @@
             import OpenSSL
             OpenSSL.SSL.Context
         except ImportError:
-            raise util.Abort(_("SSL support is unavailable"))
+            raise error.Abort(_("SSL support is unavailable"))
         ctx = OpenSSL.SSL.Context(OpenSSL.SSL.TLSv1_METHOD)
         ctx.use_privatekey_file(ssl_cert)
         ctx.use_certificate_file(ssl_cert)
@@ -249,7 +249,7 @@
             import ssl
             ssl.wrap_socket
         except ImportError:
-            raise util.Abort(_("SSL support is unavailable"))
+            raise error.Abort(_("SSL support is unavailable"))
         httpserver.socket = ssl.wrap_socket(
             httpserver.socket, server_side=True,
             certfile=ssl_cert, ssl_version=ssl.PROTOCOL_TLSv1)
@@ -345,5 +345,5 @@
     try:
         return cls(ui, app, (address, port), handler)
     except socket.error as inst:
-        raise util.Abort(_("cannot start server at '%s:%d': %s")
+        raise error.Abort(_("cannot start server at '%s:%d': %s")
                          % (address, port, inst.args[1]))