How to call the python library as an external script? in NodeRed

[Darshita Patel]

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I am using virtual cloud from iotify.io and using execute node i am not able to call python script. so how to run python script in nodered?

[john macrae]

I'm using the Exec node to run Python e.g. python /mnt/usb_1/scripts/flux_led.py 192.168.43.110  to turn my LED lights on and off.  Does the node return errors? (Add an Function node to the output  with node.error(msg) in it to catch the errors)