logger.warning("Naive datetime received by serialize_datetime() and will be treated as local: {dt}. Avoid using naive datetime objects.".format(dt=dt))
logger.warning("Naive datetime received by serialize_datetime() and will be treated as local: {dt}. Avoid using naive datetime objects.".format(dt=dt))
ifsys.version_info<(3,3):
raiseRuntimeError("Cannot consume naive datetime in python < 3.3")