Occasional failure of Offset2D test under Windows

[marcus7070]

Occasionally the CI workflow under Windows fails for testOffset2D. Always seems to pass on rerun.

cadquery/tests/test_cadquery.py

Line 4173 in 0b2a075

def testOffset2D(self):

Here is when I noticed the first fail: #677 (comment)

I have chat logs of it failing with AppVeyor and Python 3.6 on 18/03/2021

I don't think there is action to take regarding this right now, but I'll start recording logs in this issue incase anyone else has more insight.

[marcus7070]

Failure with commit 0b2a075 in Azure Pipelines / CadQuery.cadquery (Windows_38_3_8)

testOffset2D.log