main.py fails with `IndexError`

Executing main.py fails with this error message:

Traceback (most recent call last):
  File "D:\adv_geoscr\random-rectangles\src\main.py", line 66, in <module>
    main()
  File "D:\adv_geoscr\random-rectangles\src\main.py", line 41, in main
    minx = np.random.uniform(low=x_range[0], high=x_range[2])
IndexError: tuple index out of range