If you’re getting unresolved reference warnings in your project but it’s simply because you’re importing a module
from a directory that’s a child of the root, you can specify a folder as a “source folder”. This will let PyCharm
know that some of your modules are rooted from that source folder rather than the root.
An example of this is when you decide to define your apps and modules in a subdirectory
so your modules’ source is
root/subdirectory rather than