angles=[45] form README.md (description for github) throws an error#8

Hello, The line of code `im.make(style="grayscale", angles=[45])` mentioned in the description of the github pages throws an error when is executed: ``` File "H:\2.Stuff\Projects\Script to execute image combination\steicPythonScript\venv\halftone2.py", line 139, in check_arguments raise ValueError( ValueError: The angles argument must be a list of 4 integers, but it has 1. ``` I tried the function with angles=[45, 45, 45, 45] and it executed without errors