PyQt5 설치 후 디자이너 사용을 위해 pyqt5-tools를 설치하려고 하였다. pip install pyqt5-tools PS C:\Users\rian\Documents\GitHub\rian-workspace\python-carmera-app> python -m pip install pyqt5-tools --user Collecting pyqt5-tools Using cached pyqt5_tools-5.15.4.3.2-py3-none-any.whl (29 kB) Collecting pyqt5==5.15.4 Using cached PyQt5-5.15.4.tar.gz (3.3 MB) Installing build dependencies ... done Getting requirements to bui..