Commits
Wes McKinney authored 48f9780a867
ARROW-375: Fix unicode Python 3 issue in columns argument of parquet.read_table Author: Wes McKinney <wes.mckinney@twosigma.com> Closes #204 from wesm/ARROW-375 and squashes the following commits: 9e6f2a6 [Wes McKinney] BUG: convert unicode to utf8 bytes for column filtering