__version_info__ = ('3', '0', '0', 'a1')
__version__ = '.'.join(__version_info__[:3])
if len(__version_info__) == 4:
    __version__ += __version_info__[-1]

__version_info__ = ('3', '0', '0', 'a2')
__version__ = '.'.join(__version_info__[:3])
if len(__version_info__) == 4:
    __version__ += __version_info__[-1]

Bump to 3.0.0a2