Raises an exception on mixed Awkward/NumPy slices.

[jpivarski]

No description provided.

[codecov]

Codecov Report

Merging #1598 (3883c0f) into main (9e17f29) will increase coverage by 0.00%.
The diff coverage is 53.96%.

Impacted Files	Coverage Δ
src/awkward/_v2/_connect/cuda/__init__.py	0.00% <0.00%> (ø)
src/awkward/_v2/_connect/numexpr.py	88.40% <0.00%> (ø)
src/awkward/_v2/_connect/pyarrow.py	88.46% <0.00%> (ø)
src/awkward/_v2/contents/bytemaskedarray.py	88.82% <0.00%> (ø)
src/awkward/_v2/contents/indexedarray.py	73.83% <0.00%> (ø)
src/awkward/_v2/contents/indexedoptionarray.py	89.14% <0.00%> (ø)
src/awkward/_v2/contents/listoffsetarray.py	81.85% <0.00%> (ø)
src/awkward/_v2/numba.py	93.47% <0.00%> (ø)
src/awkward/_v2/operations/ak_from_avro_file.py	66.66% <0.00%> (ø)
src/awkward/_v2/operations/ak_to_pandas.py	92.30% <0.00%> (ø)
... and 14 more