Add my2to3 egg.

stack/erp5/buildout.cfg

@@ -583,6 +583,8 @@ eggs = ${neoppod:eggs}
   Record
 # StructuredText
   Zope
+# Python3
+  ${my2to3-dev:egg}
 
 # parameterizing the version of the generated python interpreter name by the
 # python section version causes dependency between this egg section and the
@@ -643,6 +645,18 @@ scripts =
 depends =
   ${slapos-toolbox-dependencies:eggs}
 
+[my2to3-repository]
+recipe = slapos.recipe.build:gitclone
+repository = https://lab.nexedi.com/bminusl/my2to3.git
+branch = master
+git-executable = ${git:location}/bin/git
+develop = true
+
+[my2to3-dev]
+recipe = zc.recipe.egg:develop
+egg = my2to3
+setup = ${my2to3-repository:location}
+
 [versions]
 # See ../../software/neoppod/software-common.cfg for versions common with NEO:
 #  neoppod, mysqlclient, slapos.recipe.template