Qt is licensed under the LGPL. This lets you use it as a library. When you use PyQt, that's exactly what you are doing. So, you don't need a separate license fo

Qt is licensed under the LGPL. This lets you use it as a library. When you use PyQt, that's exactly what you are doing. So, you don't need a separate license for Qt. The PyQt license is usually enough. (caveat: IANAL)