from bup.compat import environ, range, reraise
from bup.helpers import (Conn, atomically_replaced_file, chunkyreader, debug1,
debug2, linereader, lines_until_sentinel,
- mkdirp, progress, qprogress, DemuxConn)
+ mkdirp, progress, qprogress, DemuxConn, atoi)
from bup.io import path_msg
from bup.vint import read_bvec, read_vuint, write_bvec