How can I import a file in a specific source code directory ?

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I have downloaded the Atom IDE so that I can work on python . I have downloaded a specific file from github which needs to be imported in my source code directory so that a specific
module can be used in my code and i get an error that no specific module can be found when I import it . I would appreciate your help with this specific problem .

What I have tried:

When i run python code in atom I save it on my desktop so I think that means my source code directory is my desktop so I saved the specific github file on my desktop and still the module could not be imported . I then copied the python file and the github file to atom's folder but the result was the same .
file link : github.com/llSourcell/recommender_live/blob/master/Recommenders.py
module to be imported : import Recommenders as Recommenders