#2 Post on the Topic:
The zip file does indeed, NOT contain the requirements.txt file. We carefully watched the command line running and installed numpy and opencv-python in the virtual environment by hand (Introduction: Step 04: 1min 45 sec in the video).
A note when having students watch these videos: Kids watch the video but don’t read the text below to get ready unless you tell them to. As a teacher, make sure you remind them to check all the instructions BEFORE watching the video, especially if something is going wrong.