bump version for testing
import sys
-__version__ = '2.5.0.0'
-__version_info__ = (2, 5, 0, 0)
+__version__ = '3.0a'
+__version_info__ = (3, 0, 0, 0)
# check python version
if sys.version_info[0] < 3 or sys.version_info[1] < 6:
