mmdb-convert.py do not work on windows

d:\Downloads>e:\dev\python-3.4.3.amd64\python.exe mmdb-convert.py GeoIP2-Country.mmdb
Traceback (most recent call last):
  File "mmdb-convert.py", line 465, in <module>
    write_geoip_file('geoip', metadata, the_tree, dump_item_ipv4, fmt_item_ipv4)

  File "mmdb-convert.py", line 447, in write_geoip_file
    time.strftime('%B %-d %Y', time.gmtime(build_epoch)))
ValueError: Invalid format string

Trac:
Username: cntor