youtube-dl @2015.01.07.2_0: build failing on snow leopard

[chillin-]

Wish I could tell you more! Thanks.

--->  Verifying checksums for youtube-dl
--->  Checksumming youtube-dl-2015.01.07.2.tar.gz
--->  Extracting youtube-dl
--->  Extracting youtube-dl-2015.01.07.2.tar.gz
--->  Applying patches to youtube-dl
--->  Applying patch-Makefile.diff
patching file Makefile
Hunk #1 succeeded at 55 (offset 9 lines).
--->  Applying patch-youtube_dl-update.py.diff
patching file youtube_dl/update.py
--->  Configuring youtube-dl
--->  Building youtube-dl
make: Entering directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_net_youtube-dl/youtube-dl/work/youtube-dl'
zip -q youtube-dl youtube_dl/*.py youtube_dl/*/*.py
python devscripts/make_contributing.py README.md CONTRIBUTING.md
python devscripts/make_supportedsites.py docs/supportedsites.md
zip -q -j youtube-dl youtube_dl/__main__.py
echo '#!/opt/local/bin/python2.7' > youtube-dl
cat youtube-dl.zip >> youtube-dl
rm youtube-dl.zip
chmod a+x youtube-dl
Traceback (most recent call last):
  File "devscripts/make_supportedsites.py", line 45, in <module>
    main()
  File "devscripts/make_supportedsites.py", line 39, in main
    for md in gen_ies_md(ies))
  File "devscripts/make_supportedsites.py", line 38, in <genexpr>
    ' - ' + md + '\n'
  File "devscripts/make_supportedsites.py", line 26, in gen_ies_md
    ie_md = '**{}**'.format(ie.IE_NAME)
ValueError: zero length field name in format
make: *** [supportedsites] Error 1
make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_net_youtube-dl/youtube-dl/work/youtube-dl'
Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_net_youtube-dl/youtube-dl/work/youtube-dl" && /usr/bin/make -j2 -w all PYTHON=/opt/local/bin/python2.7
Exit code: 2
Error: org.macports.build for port youtube-dl returned: command execution failed
Warning: targets not executed for youtube-dl: org.macports.install org.macports.build org.macports.destroot
Please see the log file for port youtube-dl for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_net_youtube-dl/youtube-dl/main.log
Error: Unable to upgrade port: 1