fix: maint: Require mako library to create release

except ImportError:

    print("Please, install gitchangelog: `pip install gitchangelog`")

    sys.exit(1)

# Not used directly, but gitchangelog depends on it

try:

    import mako  # noqa

except ImportError:

    print("Please, install mako: `pip install mako`")

    sys.exit(1)

import sbws