test_launch_tor_options fails in test.integ.process

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                          test.integ.process                          
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test_launch_tor_options                                      [FAILURE]
test_launch_tor_with_timeout                                 [SUCCESS]

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FAIL: test_launch_tor_options
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Traceback:
  File "/Users/sathya/Documents/stem/test/integ/process.py", line 46, in test_launch_tor_options
    self.assertEquals("version=%s\nOK" % runner.get_tor_version(), str(version_response))
AssertionError: 'version=0.2.3.11-alpha-dev\nOK' != 'version=0.2.3.11-alpha-dev\nOK'

setting a pdb.set_trace() above line #46 (moved),

> /Users/sathya/Documents/stem/test/integ/process.py(46)test_launch_tor_options()
-> self.assertEquals("version=%s\nOK" % runner.get_tor_version(), str(version_response))
(Pdb) p str(version_response)
'version=0.2.3.11-alpha-dev (git-ef0bc7f8f26a917c)\nOK'
(Pdb) p "version=%s\nOK" % runner.get_tor_version()
'version=0.2.3.11-alpha-dev\nOK'

Looks like the git commit hash is messing up the assertion. But I wonder why the git commit hash didn't show up in the AssertionError.