roo gem parse issues

parser.rb

require 'roo'

csv = Roo::Spreadsheet.open("sample.csv")

csv.parse
# => [["row1col1", "row1col2", "row1col3"],
#  ["row2col1", "row2col2", "row2col3"],
#  ["row3col1", "row3col2", "row3col3"]]

csv.parse(headers: true)
# => [{"header1"=>"header1", "header2"=>"header2", "header3"=>"header3"},
#  {"header1"=>"row1col1", "header2"=>"row1col2", "header3"=>"row1col3"},
#  {"header1"=>"row2col1", "header2"=>"row2col2", "header3"=>"row2col3"},
#  {"header1"=>"row3col1", "header2"=>"row3col2", "header3"=>"row3col3"}]

csv.to_a
# => [["header1", "header2", "header3"],
#  ["row1col1", "row1col2", "row1col3"],
#  ["row2col1", "row2col2", "row2col3"],
#  ["row3col1", "row3col2", "row3col3"]]

csv.row(1)
# => ["header1", "header2", "header3"]

sample.csv