[Buildbot] #3407: weekly summary has encoding issues

[Buildbot trac]

#3407: weekly summary has encoding issues
-------------------+-------------------------------
Reporter:  dustin  |      Owner:  dustin
    Type:  defect  |     Status:  new
Priority:  major   |  Milestone:  sys - on-bb-infra
 Version:          |   Keywords:
-------------------+-------------------------------
 {{{
 Unhandled Error
 Traceback (most recent call last):
 Failure: twisted.internet.defer.FirstError: FirstError[#1, [Failure
 instance: Traceback: <type 'exceptions.UnicodeEncodeError'>: 'ascii' codec
 can't encode character u'\u2026' in position 69: ordinal not in range(128)
 /usr/home/emailer/weekly-summary/lib/python2.7/site-
 packages/twisted/web/_newclient.py:1161:_bodyDataFinished_CONNECTED
 /usr/home/emailer/weekly-summary/lib/python2.7/site-
 packages/twisted/web/client.py:2052:connectionLost
 /usr/home/emailer/weekly-summary/lib/python2.7/site-
 packages/twisted/internet/defer.py:393:callback
 /usr/home/emailer/weekly-summary/lib/python2.7/site-
 packages/twisted/internet/defer.py:501:_startRunCallbacks
 --- <exception caught here> ---
 /usr/home/emailer/weekly-summary/lib/python2.7/site-
 packages/twisted/internet/defer.py:588:_runCallbacks
 weekly-summary.py:220:summarize_github_prs
 weekly-summary.py:91:tablify_dict
 ]]
 }}}

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Ticket URL: <http://trac.buildbot.net/ticket/3407>
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