Convert seastar-addr2line to python3
Convert seastar-addr2line to python3

This requires using a loop instead of map since map is lazy in python3.

Message-Id: <59bc16e246784c519d200eb67946ee4ed2dfde3b@scylladb.com>

scylladb/seastar,scylladb/seastar,cloudius-systems/seastar,avikivity/seastar,avikivity/seastar,syuu1228/seastar,avikivity/seastar,scylladb/seastar,syuu1228/seastar,dreamsxin/seastar,dreamsxin/seastar,dreamsxin/seastar,syuu1228/seastar,cloudius-systems/seastar,cloudius-systems/seastar