buildbot/buildbot — pull request #1308 by delanne (2014-10-30 12:07:16+00:00)
Title: Fix issue raised by benallard

```
1 Traceback (most recent call last):
2 File "/home/benoit/buildbot/openvas/venv/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 577, in _runCallbacks
3 current.result = callback(current.result, *args, **kw)
4 File "/home/benoit/buildbot/openvas/venv/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1155, in gotResult
5 _inlineCallbacks(r, g, deferred)
6 File "/home/benoit/buildbot/openvas/venv/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1097, in _inlineCallbacks
7 result = result.throwExceptionIntoGenerator(g)
8 File "/home/benoit/buildbot/openvas/venv/local/lib/python2.7/site-packages/twisted/python/failure.py", line 389, in throwExceptionIntoGenerator
9 return g.throw(self.type, self.value, self.tb)
10 --- ---
11 File "/home/benoit/buildbot/buildbot/master/buildbot/process/buildstep.py", line 461, in startStep
12 results = yield self.run()
13 File "/home/benoit/buildbot/openvas/venv/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1099, in _inlineCallbacks
14 result = g.send(result)
15 File "/home/benoit/buildbot/buildbot/master/buildbot/process/buildstep.py", line 576, in run
16 results = yield self._start_deferred
17 File "/home/benoit/buildbot/openvas/venv/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 577, in _runCallbacks
18 current.result = callback(current.result, *args, **kw)
19 File "/home/benoit/buildbot/buildbot/master/buildbot/process/buildstep.py", line 852, in
20 d.addCallback(lambda res: self.createSummary(cmd.logs['stdio']))
21 File "/home/benoit/buildbot/buildbot/master/buildbot/steps/python.py", line 237, in createSummary
22 counts, summaries = self.counts, self.summaries
23 exceptions.AttributeError: 'PyLint' object has no attribute 'counts'
```