MAINT: Changed the `NBitBase` variancy in `number` from co- to invariant#18174

Merged

charris merged 5 commits intonumpy:masterfrom

BvB93:covariant

Jan 19, 2021

Commits on Jan 19, 2021

MAINT: Changed the `NBitBase` variancy in `number` from co- to invariant
Bas van Beek
committed
DOC,TST: Update the `NBitBase` example
Bas van Beek
committed
MAINT: Adjusted the return-type of `number` ops to `Any`
Bas van Beek
committed
TST: Added a tests for `number` invariancy
Bas van Beek
committed
DOC: Added a missing `Union` import
Bas van Beek
committed