unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 Traceback (most recent call last):
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 File "/var/lib/juju/agents/unit-ghost-0/charm/hooks/upgrade-charm", line 28, in <module>
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 main()
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 File "/usr/local/lib/python3.4/dist-packages/charms/reactive/__init__.py", line 78, in main
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 bus.dispatch()
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 File "/usr/local/lib/python3.4/dist-packages/charms/reactive/bus.py", line 434, in dispatch
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 _invoke(other_handlers)
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 File "/usr/local/lib/python3.4/dist-packages/charms/reactive/bus.py", line 417, in _invoke
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 handler.invoke()
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 File "/usr/local/lib/python3.4/dist-packages/charms/reactive/bus.py", line 291, in invoke
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 self._action(*args)
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 File "/var/lib/juju/agents/unit-ghost-0/charm/reactive/ghost.py", line 44, in install_app
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 npm('install --production')
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 File "lib/charms/layer/nodejs.py", line 46, in npm
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 File "/usr/local/lib/python3.4/dist-packages/shell.py", line 320, in shell
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 return sh.run(command)
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 File "/usr/local/lib/python3.4/dist-packages/shell.py", line 164, in run
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 self._communicate()
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 File "/usr/local/lib/python3.4/dist-packages/shell.py", line 123, in _communicate
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 stdout, stderr = self._popen.communicate(input=the_input)
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 File "/usr/lib/python3.4/subprocess.py", line 960, in communicate
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 stdout, stderr = self._communicate(input, endtime, timeout)
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 File "/usr/lib/python3.4/subprocess.py", line 1659, in _communicate
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 self.stdout.encoding)
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 File "/usr/lib/python3.4/subprocess.py", line 888, in _translate_newlines
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 data = data.decode(encoding)
unit-ghost-0[2419]: 2016-06-28 17:21:32 INFO unit.ghost/0.upgrade-charm logger.go:40 UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 1180: ordinal not in range(128)