# \#slicerpathology

**URL:** https://discourse.slicer.org/tag/slicerpathology/69.md

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## [Pathology module install fail due to sliceWidget attribute error](https://discourse.slicer.org/t/pathology-module-install-fail-due-to-slicewidget-attribute-error/2269)

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**Author:** [@Alvin\_Chen](https://discourse.slicer.org/u/Alvin_Chen)\
**Replies:** 16\
**Last updated:** [January 17, 2019, 10:27pm UTC](https://discourse.slicer.org/t/pathology-module-install-fail-due-to-slicewidget-attribute-error/2269 "2019-01-17T22:27:46Z")

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hello, \[environment\] MacOS 10.13.3 /Ubuntu 16.04 /Win10 have same behavior Slicer 4.8.1 \[Description\] when I install pathology module by Extension Manager, after restart slicer I will get the following error messag…

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## [SlicerOpenCV nightly build failed](https://discourse.slicer.org/t/sliceropencv-nightly-build-failed/1058)

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**Author:** [@tdiprima](https://discourse.slicer.org/u/tdiprima)\
**Replies:** 0\
**Last updated:** [September 15, 2017, 2:05pm UTC](https://discourse.slicer.org/t/sliceropencv-nightly-build-failed/1058 "2017-09-15T14:05:53Z")

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Hi guys, SlicerPathology depends on SlicerOpenCV… I hope you can help me out. Here’s the build error. And it says: -- MD5 hash of /.../SlicerOpenCV-build/OpenCV-prefix/src/3.1.0.tar.gz does not match expected v…