ENH: typo + wrapping the failing statement to provide more information. See #162
nonfunctional changes in unifying some formatting
Adding @reseed_rng to test_queryengine_io since its random failures make no sense
Merge pull request #165 from yarikoptic/enh/troubleshoot-162

ENH: typo + wrapping the failing statement to provide more information. Attempt to get to understand the failure in #162.