chore(ruff): cleanup setup.py whitespace, comprehensions etc. Fixes: replace [f for f in ...] with list(...) replace else block after return in if true case use with open() when reading announcement.txt add trailing , in lists. whitespace normalizing

try:
    # Python 3+
    from ssl import SSLError
except (ImportError, AttributeError):
    # Python 2.5-2.7
    from socket import sslerror as SSLError  # noqa: F401