[Toaster] Can't build with fido

[Barros Pena, Belen]

I just happened to try a fresh clone of the fido branch
(08d32590411568e7bf11612ac695a6e9c6df6286), and it doesn't seem to build.
This is the error I am getting:

2015-08-06 09:29:17,776 DEBUG localhostbecontroller: Started bitbake server
2015-08-06 09:29:17,776 DEBUG localhostbecontroller: Autodetected bitbake
port 55639
2015-08-06 09:29:17,797 DEBUG runbuilds: Build launched, exiting. Follow
build logs at /home/yocto/fido-test/build/toaster_ui.log
Traceback (most recent call last):
  File "/usr/lib/python2.7/SocketServer.py", line 295, in
_handle_request_noblock
    self.process_request(request, client_address)
  File "/home/yocto/fido-test/bitbake/lib/bb/ui/uievent.py", line 154, in
process_request
    SimpleXMLRPCServer.process_request(self, request, client_address)
  File "/usr/lib/python2.7/SocketServer.py", line 321, in process_request
    self.finish_request(request, client_address)
  File "/usr/lib/python2.7/SocketServer.py", line 334, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/usr/lib/python2.7/SocketServer.py", line 649, in __init__
    self.handle()
  File "/usr/lib/python2.7/BaseHTTPServer.py", line 340, in handle
Unhandled exception in thread started by <bound method Thread.__bootstrap
of <Thread(Thread-1, stopped daemon 140027581204224)>>
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 38350)
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 783, in __bootstrap
    self.__bootstrap_inner()
  File "/usr/lib/python2.7/threading.py", line 823, in __bootstrap_inner
    (self.name, _format_exc()))
  File "/usr/lib/python2.7/traceback.py", line 241, in format_exc
    etype, value, tb = sys.exc_info()
AttributeError: 'NoneType' object has no attribute 'exc_info'

Any thoughts? Is this something I am doing or do we have a bug?

Thanks!

Belén