How to use python code to call the slicer plug-in: OpenIGTLink in the external compiler pycharm?

I am trying to do secondary development based on slicer, and I have made a new software using Python. Now I have a problem: how to install the slicer plug-in: OpenIGTLink in my software? Or how to use Python code in the compiler pycharm to call this plug-in? Please help me, as a beginner, I really need help.**