Bugs found by the Dask project: broaden type-tracers' applicability

[jpivarski]

No description provided.

[codecov]

Codecov Report

Merging #1183 (8d8b01e) into main (9955401) will increase coverage by 0.43%.
The diff coverage is 89.73%.

Impacted Files	Coverage Δ
src/awkward/_v2/_connect/pyarrow.py	83.33% <0.00%> (-0.48%)	⬇️
src/awkward/_v2/_util.py	81.90% <ø> (+8.90%)	⬆️
src/awkward/_v2/contents/bitmaskedarray.py	65.74% <0.00%> (ø)
src/awkward/_v2/contents/indexedarray.py	60.54% <0.00%> (+1.24%)	⬆️
src/awkward/_v2/contents/regulararray.py	81.39% <ø> (ø)
src/awkward/_v2/contents/unmaskedarray.py	55.45% <0.00%> (ø)
src/awkward/_v2/forms/recordform.py	66.46% <0.00%> (ø)
src/awkward/_v2/operations/convert/ak_to_numpy.py	100.00% <ø> (ø)
...c/awkward/_v2/operations/structure/ak_unflatten.py	80.00% <ø> (ø)
src/awkward/_v2/types/arraytype.py	80.76% <0.00%> (-0.72%)	⬇️
... and 21 more