[tor-bugs] #8565 [Stem]: run_tests.py --python3 fails if python < 2.7 is the default python version

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#8565: run_tests.py --python3 fails if python < 2.7 is the default python version
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 Reporter:  Desoxy   |          Owner:  atagar
     Type:  defect   |         Status:  new   
 Priority:  trivial  |      Milestone:        
Component:  Stem     |        Version:        
 Keywords:           |         Parent:        
   Points:           |   Actualpoints:        
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 {{{
 desoxy at localhost:~/git/stem$ python --version
 Python 2.6.6
 desoxy at localhost:~/git/stem$ python run_tests.py --python3
 Traceback (most recent call last):
   File "run_tests.py", line 428, in <module>
     if CONFIG["argument.python3"] and sys.version_info.major != 3:
 AttributeError: 'tuple' object has no attribute 'major'
 }}}
 The reason is simple: sys.version_info only became a named tuple in Python
 v2.7 and later.[1]

 Assuming you want to keep compability with older Python versions, the
 attached one-line patch fixes this problem.

 1:
 http://docs.python.org/2/library/sys.html?highlight=sys#sys.version_info))

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8565>
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