UnicodeEncodeError raises when the output boliau-print STDOUT re-direct to other process.

[hychen]

$ boliau-lp-findbugtasks people ossug-hychen | boliau-lp-format sorted_importance | boliau-lp-format list | boliau-print | grep abc
Traceback (most recent call last):
File "/home/hychen/project/boliau/bin/boliau-print", line 28, in
cmd.do_print()
File "/home/hychen/project/boliau/boliau/cmd.py", line 34, in do_print
print cmd.call(stdin=sys.stdin)
UnicodeEncodeError: 'ascii' codec can't encode character u'\uff0c' in position 733: ordinal not in range(128)