# PyMC 4 beta import issue

**URL:** <https://discourse.pymc.io/t/pymc-4-beta-import-issue/8627>\
**Category:** Questions\
**Tags:** development\_env\
**Created:** [January 20, 2022, 7:25am UTC](https://discourse.pymc.io/t/pymc-4-beta-import-issue/8627 "2022-01-20T07:25:19Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![GMCobraz\_T](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.pymc.io/gmcobraz_t/32/4165_2.png) [@GMCobraz\_T](https://discourse.pymc.io/u/GMCobraz_T)\
**Post date:** [January 20, 2022, 7:25am UTC](https://discourse.pymc.io/t/pymc-4-beta-import-issue/8627/1 "2022-01-20T07:25:19Z")

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Dear development team,

Good day.  
I installed PyMC4 via pip install pymc --pre.  
But I faced error when import the pymc as shown in figure below:

 ![image](https://canada1.discourse-cdn.com/flex036/uploads/pymc3/original/2X/7/7b14c6dad722406ee51101382eae9231ebe480d2.png)  
Can anyone please help?  
Thanks

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**Author:** ![cluhmann](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.pymc.io/cluhmann/32/3083_2.png) [@cluhmann](https://discourse.pymc.io/u/cluhmann)\
**Post date:** [January 21, 2022, 8:37pm UTC](https://discourse.pymc.io/t/pymc-4-beta-import-issue/8627/2 "2022-01-21T20:37:38Z")

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What version of aesara and scipy do you have installed?

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<div class="post-metadata">

**Author:** ![GMCobraz\_T](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.pymc.io/gmcobraz_t/32/4165_2.png) [@GMCobraz\_T](https://discourse.pymc.io/u/GMCobraz_T)\
**Post date:** [January 23, 2022, 6:40am UTC](https://discourse.pymc.io/t/pymc-4-beta-import-issue/8627/3 "2022-01-23T06:40:13Z")

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Hi,

Aesara is v2.3.2 and scipy is v1.8.0

Thanks

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**Author:** ![rpforrest1](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.pymc.io/rpforrest1/32/4740_2.png) [@rpforrest1](https://discourse.pymc.io/u/rpforrest1)\
**Post date:** [January 25, 2022, 1:02pm UTC](https://discourse.pymc.io/t/pymc-4-beta-import-issue/8627/4 "2022-01-25T13:02:54Z")

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I didn’t have a lot of time to test this, but use scipy==1.4.1 instead. It at least matches the requirements between pymc and aesara.