Bad reference in RegistryProvider._fill_cache()

[Zygmunt Krynicki]

<LAVA_TEST>2012-02-04 07:34:13 PM WARNING: Failed to load the http://git.linaro.org/gitweb?p=people/bgaignard/alsa-ucm-test.git;a=blob_plain;f=alsaucm.json;hb=HEAD
Traceback (most recent call last):
  File "/usr/local/bin/lava-test", line 9, in <module>
    load_entry_point('lava-test==0.3.3', 'console_scripts', 'lava-test')()
  File "/src/lava-test/lava_test/main.py", line 49, in main
    run_with_dispatcher_class(LAVATestDispatcher)
  File "/usr/local/lib/python2.7/dist-packages/lava_tool/dispatcher.py", line 56, in run_with_dispatcher_class
    raise SystemExit(cls().dispatch())
  File "/usr/local/lib/python2.7/dist-packages/lava_tool/interface.py", line 255, in dispatch
    return command.invoke()
  File "/src/lava-test/lava_test/commands.py", line 145, in invoke
    test = self._test_loader[self.args.test_id]
  File "/src/lava-test/lava_test/core/loader.py", line 68, in __getitem__
    return provider[test_id]
  File "/src/lava-test/lava_test/core/providers.py", line 195, in __getitem__
    self._fill_cache()
  File "/src/lava-test/lava_test/core/providers.py", line 177, in _fill_cache
    if hasattr(e, 'reason'):
NameError: global name 'e' is not defined
root@linaro:~# [rc=1]: <LAVA_DISPATCHER>2012-02-04 04:34:14 PM INFO: Action lava_test_run finished.