Q:

executing python script from a node.js

I am trying to run a python a script which will update my elasticsearch data base, from a server which is implemented in node.js.  My python script requires a csv files to read.  though the csv file is present it is giving me this error(shown in image)

A:

I think you will need to specify the filepaths relative to where your Node script is running from, rather than the Python one. 
So if you have file structure:
- app.js
- /PythonFolder
   - script.py
   - data.csv

You will need to call the Python using whatever the equivalent to:
python script.py PythonFolder/data.csv 

is from Node.