[jira] [Commented] (ARROW-66) Maybe some missing steps in installation guide

["Dan Robinson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-66?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15194679#comment-15194679 ] 

Dan Robinson commented on ARROW-66:
-----------------------------------

Try cd-ing out of the "python" directory before running the interpreter?

> Maybe some missing steps in installation guide 
> -----------------------------------------------
>
>                 Key: ARROW-66
>                 URL: https://issues.apache.org/jira/browse/ARROW-66
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>         Environment: CentOS 7.0; Python 2.7.x
>            Reporter: Qian Xu
>              Labels: documentation
>
> I followed [the guide|https://github.com/apache/arrow/blob/master/python/doc/INSTALL.md] to install Arrow project from scratch. I met some issues.
> 1. First of all, I need to build the cpp part. So I setup the thirdparty dependencies. But when I {{cmake -DCMAKE_INSTALL_PREFIX=$ARROW_HOME ..}}, it shows an error at {{get_filename_component}} with {{FindGTest.cmake}}. After some digging, I noticed that I have to use *cmake 3* (instead of cmake 2).
> 2. Now I am able to install {{pyarrow}}. The installation went smooth. But when I import the module {{pyarrow}}, it says {{ImportError: No module named array}}. I haven't found any description on this error. 



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