Hello, I have a bit trouble with the auto completion of PyCharm 2018.2.3 (OS: Ubuntu 16.04). In my current project I want to use the vtk Package (Visualization ToolKit) with Python3.6. Therefore I created a new interpreter (virtual environment) and installed the package (version 8.1.1) which worked just fine. However the auto completion does not show all available options. For example, the functions [mapperObject].SetInputConnection(), [sourceObject].GetOutputPort()] and [actorObject].SetMapper() are not displayed in the code completion. In spite of that, calling them works very well. I can execute the code without any problems. Nonetheless, I very much would like to know why this doesn't work as expected, just in case that I encounter this problem again.