# Re: Help with wx-gui, window size error

**URL:** <https://www.ruby-forum.com/t/re-help-with-wx-gui-window-size-error/230652>\
**Category:** GNU Radio\
**Created:** [June 27, 2014, 10:31pm UTC](https://www.ruby-forum.com/t/re-help-with-wx-gui-window-size-error/230652 "2014-06-27T22:31:35Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jason\_sam](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/7993a0/32.png) [@jason\_sam](https://www.ruby-forum.com/u/jason_sam)\
**Post date:** [June 27, 2014, 10:31pm UTC](https://www.ruby-forum.com/t/re-help-with-wx-gui-window-size-error/230652/1 "2014-06-27T22:31:35Z")

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I was not part of the mailing list when the thread was started so I  
could  
not properly reply.

But the issue is a missing dependency of PyOpenGL.  
[https://bugzilla.redhat.com/show\_bug.cgi?id=1049](https://bugzilla.redhat.com/show_bug.cgi?id=1049)

I had the same issue and after installing python2-opengl, it worked.

Mike

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**Author:** ![Mike\_Schliep](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/57b2e6/32.png) [@Mike\_Schliep](https://www.ruby-forum.com/u/Mike_Schliep)\
**Post date:** [July 1, 2014, 9:27pm UTC](https://www.ruby-forum.com/t/re-help-with-wx-gui-window-size-error/230652/2 "2014-07-01T21:27:11Z")

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Thanks, Mike.

I can confirm this is a fix, I had python-opengl installed but not  
python2-opengl.

It should be added as a dependancy.

Thil