Setup Device: TypeError: 'NoneType' object is not iterable

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Please provide us with the following information:

This issue is for a: (mark with an x)

- [ x] bug report -> please search issues before submitting
- [ ] feature request
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)

Minimal steps to reproduce

Running "iot configure_device" Issue happens when creation of Iot device

Any log messages given by the failure

Traceback (most recent call last): File "C:\Users\userx\AppData\Local\Programs\Python\Python36-32\Scripts\iot-script.py", line 11, in load_entry_point('azure-iot-starterkit-cli', 'console_scripts', 'iot')() File "c:\users\userx\appdata\local\programs\python\python36-32\lib\site-packages\click\core.py", line 722, in call return self.main(args, kwargs) File "c:\users\userx\appdata\local\programs\python\python36-32\lib\site-packages\click\core.py", line 697, in main rv = self.invoke(ctx) File "c:\users\userx\appdata\local\programs\python\python36-32\lib\site-packages\click\core.py", line 1063, in invoke Command.invoke(self, ctx) File "c:\users\userx\appdata\local\programs\python\python36-32\lib\site-packages\click\core.py", line 895, in invoke return ctx.invoke(self.callback, ctx.params) File "c:\users\userx\appdata\local\programs\python\python36-32\lib\site-packages\click\core.py", line 535, in invoke return callback(args, *kwargs) File "c:\users\userx\appdata\local\programs\python\python36-32\lib\site-packages\click\decorators.py", line 17, in new_func return f(get_current_context(), args, **kwargs) File "c:\users\userx\documents\code\azure-iot-starterkit-cli\iot.py", line 409, in cli prompt_for_device(ctx.obj, ctx.invoked_subcommand) File "c:\users\userx\documents\code\azure-iot-starterkit-cli\iot.py", line 259, in prompt_for_device for d in existingDevices: TypeError: 'NoneType' object is not iterable

Expected/desired behavior

Complete successfully

OS and Version?

Windows 7, 8 or 10. Linux (which distribution). macOS (Yosemite? El Capitan? Sierra?) Windows 10

Versions

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