# Trying to use gnuradio-companion

**URL:** <https://www.ruby-forum.com/t/trying-to-use-gnuradio-companion/202315>\
**Category:** GNU Radio\
**Created:** [January 26, 2011, 8:09pm UTC](https://www.ruby-forum.com/t/trying-to-use-gnuradio-companion/202315 "2011-01-26T20:09:13Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![luislavena](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/l/0ea827/32.png) [@luislavena](https://www.ruby-forum.com/u/luislavena)\
**Post date:** [January 26, 2011, 8:09pm UTC](https://www.ruby-forum.com/t/trying-to-use-gnuradio-companion/202315/1 "2011-01-26T20:09:13Z")

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Hi All,

When I try running gnuradio-companion I get  
File “/usr/local/bin/gnuradio-companion”, line 45, in   
“”"%gr.version()  
AttributeError: ‘module’ object has no attribute ‘version’

Anyone know what I have done wrong?

- Charles

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**Author:** ![cbandes](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/a183cd/32.png) [@cbandes](https://www.ruby-forum.com/u/cbandes)\
**Post date:** [January 26, 2011, 8:12pm UTC](https://www.ruby-forum.com/t/trying-to-use-gnuradio-companion/202315/2 "2011-01-26T20:12:58Z")

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its importing a really old gnuradio that doesnt have gr.version()

in other words, you have multiple gnuradios installed

-josh

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**Author:** ![cbandes](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/a183cd/32.png) [@cbandes](https://www.ruby-forum.com/u/cbandes)\
**Post date:** [January 26, 2011, 8:49pm UTC](https://www.ruby-forum.com/t/trying-to-use-gnuradio-companion/202315/3 "2011-01-26T20:49:24Z")

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> its importing a really old gnuradio that doesnt have gr.version()
> 
> in other words, you have multiple gnuradios installed
> 
> -josh

And your PYTHONPATH likely points to the wrong version.

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**Author:** ![cbandes](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/a183cd/32.png) [@cbandes](https://www.ruby-forum.com/u/cbandes)\
**Post date:** [January 26, 2011, 9:27pm UTC](https://www.ruby-forum.com/t/trying-to-use-gnuradio-companion/202315/4 "2011-01-26T21:27:45Z")

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On 26/01/2011 19:48, Marcus D. Leech wrote:

> > its importing a really old gnuradio that doesnt have gr.version()
> > 
> > in other words, you have multiple gnuradios installed
> > 
> > -josh
> 
> And your PYTHONPATH likely points to the wrong version.

Yes you were both right. I have it working now. Thanks.

- Charles