Data frames have different column structure.
Wrong column type for field b actual: Float64; expected: Int64)
Compare with:
    diff /var/folders/2y/72gfd2691h9gf2cy48xp8slh0000gn/T/actual-df003.parquet /var/folders/2y/72gfd2691h9gf2cy48xp8slh0000gn/T/expected-df003.parquet

Compare with:
    tdda diff /var/folders/2y/72gfd2691h9gf2cy48xp8slh0000gn/T/actual-df003.parquet /var/folders/2y/72gfd2691h9gf2cy48xp8slh0000gn/T/expected-df003.parquet
