# Prerequisitechecker

**URL:** <https://gramps.discourse.group/t/prerequisitechecker/3065>\
**Category:** Help\
**Tags:** prerequisite-mgmt\
**Created:** [December 13, 2022, 12:41am UTC](https://gramps.discourse.group/t/prerequisitechecker/3065 "2022-12-13T00:41:57Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![metadata](https://avatars.discourse-cdn.com/v4/letter/m/e36b37/32.png) [@metadata](https://gramps.discourse.group/u/metadata)\
**Post date:** [December 13, 2022, 12:41am UTC](https://gramps.discourse.group/t/prerequisitechecker/3065/1 "2022-12-13T00:41:57Z")

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Gramps 5.1.5 on Mint 21.  
Just out of curiosity I ended up running The current prerequisite checker and noticed that  
it cannot find GExiv2:010 (Exiv2 library: not found even though I am using it in my gramplets

Same for PyICU - under RECOMMENDED - not found, but trying to install it  
_pip install PyICU_  
_Defaulting to user installation because normal site-packages is not writeable_

Optional packages required by Third-party Addons complains about  
Addon:Edit Image Exif Metadata: Pillow 9.0.1) GExiv2 : 0.10(Exiv2 library not found

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**Author:** ![SNoiraud](https://yyz2.discourse-cdn.com/free1/user_avatar/gramps.discourse.group/snoiraud/32/72_2.png) [@SNoiraud](https://gramps.discourse.group/u/SNoiraud)\
**Post date:** [December 13, 2022, 8:39am UTC](https://gramps.discourse.group/t/prerequisitechecker/3065/2 "2022-12-13T08:39:26Z")

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> [@metadata](#):
>
> it cannot find GExiv2:010 (Exiv2 library: not found even though I am using it in my gramplets

You need gir1.2-gexiv2-0.10

> [@metadata](#):
>
> Same for PyICU - under RECOMMENDED - not found, but trying to install it  
> _pip install PyICU_  
> _Defaulting to user installation because normal site-packages is not writeable_

Install python3-icu instead of using pip or pip3

prerequisitechecker is incomplete for icu. I look at this.

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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/gramps/original/1X/2ac1e712b7adf612e31ca08a55419f4cf37c0158.png) [@system](https://gramps.discourse.group/u/system)\
**Post date:** [January 12, 2023, 8:39am UTC](https://gramps.discourse.group/t/prerequisitechecker/3065/3 "2023-01-12T08:39:27Z")

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