shutdown not so graceful

[jldec]

whenever the python function terminates, i see something like this in the logs.

[sidecar]: 2018/02/16 17:00:38 Shutting Down...
[main]: Traceback (most recent call last):
[main]:   File "./funcrunner.py", line 86, in <module>
[main]:     run_function(function)
[main]:   File "./funcrunner.py", line 38, in run_function
[main]:     traceback.print_exc(file=sys.stdout)
[main]:   File "/usr/local/lib/python2.7/traceback.py", line 233, in print_exc
[main]:     print_exception(etype, value, tb, limit, file)
[main]:   File "/usr/local/lib/python2.7/traceback.py", line 124, in print_exception
[main]:     _print(file, 'Traceback (most recent call last):')
[main]:   File "/usr/local/lib/python2.7/traceback.py", line 13, in _print
[main]:     file.write(str+terminator)