Commits

Krisztián Szűcs authored 2b5add59608
ARROW-5144: [Python] ParquetDataset and ParquetPiece not serializable Author: Krisztián Szűcs <szucs.krisztian@gmail.com> Closes #4156 from kszucs/ARROW-5144 and squashes the following commits: 2bdedd069 <Krisztián Szűcs> implement not equal 7cecfaae4 <Krisztián Szűcs> remove debug line d08c17ce0 <Krisztián Szűcs> more thorough testing; explicitinteger cast 1f738e302 <Krisztián Szűcs> don't mark as pandas 994e329ab <Krisztián Szűcs> use partial ea40dcc2d <Krisztián Szűcs> fix review comments 739f183b6 <Krisztián Szűcs> skip depending on protocol 080170ff4 <Krisztián Szűcs> support standard pickle 69362cc28 <Krisztián Szűcs> picklable ParquetDataset