docs: correct docstring for ak.metadata_from_parquet

[agoose77]

No description provided.

[codecov]

Codecov Report

Merging #2050 (8e5482c) into main (9ab248c) will decrease coverage by 1.20%.
The diff coverage is 100.00%.

Additional details and impacted files

Impacted Files	Coverage Δ
src/awkward/operations/ak_metadata_from_parquet.py	100.00% <100.00%> (ø)
src/awkward/operations/ak_argmax.py	60.00% <0.00%> (-31.18%)	⬇️
src/awkward/operations/ak_argmin.py	60.00% <0.00%> (-31.18%)	⬇️
src/awkward/operations/ak_sum.py	60.00% <0.00%> (-30.33%)	⬇️
src/awkward/operations/ak_prod.py	60.00% <0.00%> (-30.33%)	⬇️
src/awkward/operations/ak_max.py	60.00% <0.00%> (-28.24%)	⬇️
src/awkward/operations/ak_min.py	60.00% <0.00%> (-28.24%)	⬇️
src/awkward/operations/ak_count.py	78.94% <0.00%> (-21.06%)	⬇️
src/awkward/operations/ak_softmax.py	78.94% <0.00%> (-21.06%)	⬇️
src/awkward/operations/ak_all.py	80.00% <0.00%> (-20.00%)	⬇️
... and 39 more

[jpivarski]

Thanks for making this consistent! At one point, the function really did return the Parquet metadata as-is, but I can see in the out variable that it's no longer true.

This can be merged when you're done with it.

[agoose77]

@jpivarski yes I recall that too! I think this is correct now - I'm literally reading the implementation.