Merge ~cjwatson/launchpad:py3-sourcepackage-index-binaries into launchpad:master

[Colin Watson]

Sort binaries on SourcePackage:+index

Tests sometimes fail on Python 3 otherwise. It's probably most natural to sort the binaries lexicographically by name.

[Cristian Gonzalez (cristiangsp)]

Looks good!

review: Approve

diff --git a/lib/lp/registry/templates/sourcepackage-index.pt b/lib/lp/registry/templates/sourcepackage-index.pt
index d91e265..df85b88 100644
--- a/lib/lp/registry/templates/sourcepackage-index.pt
+++ b/lib/lp/registry/templates/sourcepackage-index.pt
@@ -86,7 +86,7 @@
 
             <div id="binaries" tal:define="binaries view/binaries">
               <ul tal:condition="binaries">
-                <li tal:repeat="bin_name binaries">
+                <li tal:repeat="bin_name python:sorted(binaries)">
                   <span tal:replace="bin_name" />
                   <span tal:repeat="archtag python:binaries[bin_name]">
                     (<a tal:content="archtag" tal:attributes="href