Error:
result = meth(*arg, **kw)
File "/home/jogo/OpenStack/openstack-common/.tox/py27/local/lib/python2.7/site-packages/nose/plugins/logcapture.py", line 223, in formatError
test.capturedLogging = records = self.formatLogRecords()
File "/home/jogo/OpenStack/openstack-common/.tox/py27/local/lib/python2.7/site-packages/nose/plugins/logcapture.py", line 231, in formatLogRecords
return [safe_str(format(r)) for r in self.handler.buffer]
File "/usr/lib/python2.7/logging/__init__.py", line 723, in format
return fmt.format(record)
File "/usr/lib/python2.7/logging/__init__.py", line 464, in format
record.message = record.getMessage()
File "/usr/lib/python2.7/logging/__init__.py", line 328, in getMessage
msg = msg % self.args
ValueError: unsupported format character '{' (0x7b) at index 15
The above error isn't very clear, but this was caused by "${var}s" being used instead of "$(var)s" in string formatting inside impl_zmq.py.