# Error when using synthetic turbulence (Giangaspero branch)

**URL:** <https://pyfr.discourse.group/t/error-when-using-synthetic-turbulence-giangaspero-branch/765>\
**Category:** Errors\
**Created:** [6 March 2023 09:42 UTC](https://pyfr.discourse.group/t/error-when-using-synthetic-turbulence-giangaspero-branch/765 "2023-03-06T09:42:13Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![fei](https://avatars.discourse-cdn.com/v4/letter/f/59ef9b/32.png) [@fei](https://pyfr.discourse.group/u/fei)\
**Post date:** [6 March 2023 09:42 UTC](https://pyfr.discourse.group/t/error-when-using-synthetic-turbulence-giangaspero-branch/765/1 "2023-03-06T09:42:13Z")

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Hello, everyone.  
I amd using synthetic turbulence in PyFR.  
I tried some PyFR branches in Giangaspero’s GitHub, such as PyFR-turb\_injection\_SEM\_localLTurb\_prepPR, and it comes out "No moudle named ‘scipy’ ". Could anyone know what’s the problem with it?

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**Author:** ![WillT](https://avatars.discourse-cdn.com/v4/letter/w/bc79bd/32.png) [@WillT](https://pyfr.discourse.group/u/WillT)\
**Post date:** [6 March 2023 12:19 UTC](https://pyfr.discourse.group/t/error-when-using-synthetic-turbulence-giangaspero-branch/765/2 "2023-03-06T12:19:52Z")

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Disclaimer, this branch is not an official pyfr feature, so there is no gaurentee that it’ll even work.

That being said, have you tried to install scipy? `pip install scipy`

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<div class="post-metadata">

**Author:** ![fei](https://avatars.discourse-cdn.com/v4/letter/f/59ef9b/32.png) [@fei](https://pyfr.discourse.group/u/fei)\
**Post date:** [6 March 2023 12:53 UTC](https://pyfr.discourse.group/t/error-when-using-synthetic-turbulence-giangaspero-branch/765/3 "2023-03-06T12:53:27Z")

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Ok, I will try. thanks for your reply.