Github user nickwallen commented on the pull request:
https://github.com/apache/incubator-metron/pull/76#issuecomment-210552058
Interesting. I manually deployed on CentOS 6 with the latest change and it
worked. But it appears `argparse` was already installed by something else.
This node went through a partial Metron install, but no pycapa.
```
[vagrant@node1 pycapa]$ ls -l /usr/lib/python2.6/site-packages/argparse*
-rw-r--r--. 1 root root 87791 Mar 31 2011
/usr/lib/python2.6/site-packages/argparse.py
-rw-r--r--. 1 root root 66661 Jul 23 2015
/usr/lib/python2.6/site-packages/argparse.pyc
-rw-r--r--. 1 root root 66491 Jul 23 2015
/usr/lib/python2.6/site-packages/argparse.pyo
/usr/lib/python2.6/site-packages/argparse-1.2.1-py2.6.egg-info:
total 16
-rw-r--r--. 1 root root 1 Jul 23 2015 dependency_links.txt
-rw-r--r--. 1 root root 2927 Jul 23 2015 PKG-INFO
-rw-r--r--. 1 root root 250 Jul 23 2015 SOURCES.txt
-rw-r--r--. 1 root root 9 Jul 23 2015 top_level.txt
```
Whether it is standard lib or installed via pip, the license issue is moot
now right? So I could just revert the last commit since I know the original
code worked on 2.6 and 2.7?
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