# Runtime warning on startup in numpy

**URL:** <https://discourse.slicer.org/t/runtime-warning-on-startup-in-numpy/757>\
**Category:** Development\
**Created:** [July 24, 2017, 3:16pm UTC](https://discourse.slicer.org/t/runtime-warning-on-startup-in-numpy/757 "2017-07-24T15:16:01Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![fedorov](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/fedorov/32/14_2.png) [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Post date:** [September 5, 2017, 2:14pm UTC](https://discourse.slicer.org/t/runtime-warning-on-startup-in-numpy/757/21 "2017-09-05T14:14:15Z")

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Thank you JC - I confirm the extension now builds without errors on the dashboard.

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