22w07a

• POSIX style commands (e.g. --the-option) are used in help and docs instead of the old style (--the_option)
• opencv-python is no longer a dependency. This shrinks the installation size quite a bit.
• Additional error check related to pix_fmt

Dev

• More changes to style that confirm to black's code style

Full Changelog: 22w06a...22w07a