# Python package in installed version of slicer

**URL:** <https://discourse.slicer.org/t/python-package-in-installed-version-of-slicer/19937>\
**Category:** Development\
**Created:** [September 30, 2021, 3:44pm UTC](https://discourse.slicer.org/t/python-package-in-installed-version-of-slicer/19937 "2021-09-30T15:44:30Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [September 30, 2021, 3:59pm UTC](https://discourse.slicer.org/t/python-package-in-installed-version-of-slicer/19937/2 "2021-09-30T15:59:32Z")

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weasyprint has tons of dependencies - see [WeasyPrint/first\_steps.rst at master · Kozea/WeasyPrint · GitHub](https://github.com/Kozea/WeasyPrint/blob/master/docs/first_steps.rst). You need to make sure that all those dependencies are bundled with your application as it was recommended [here](https://discourse.slicer.org/t/python-package-installation/19496).

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