imagine i have a "first.py" file with some code in it , and then i import it in another python file called "secend.py" then i import the "secend.py" file & "first.py" into "third.py" file ,, Will this cause any performance problems? (For example, a file is imported twice inside another file .. ?) I always run into this problem in Django projects.(if it is a problem) for example i have my models file and i import the models file into serialazers file and then i import both models & serializers file into views file maybe im not the best person at drawing things but there is a kinda stupid schematic that shows what im talking about ! : Continue reading...