for i in range(1, len(comments)):
account = amount = currency = ''
if i < len(booking.lines) and booking.lines[i] != '':
account = booking.lines[i][0]
amount = booking.lines[i][1]
currency = booking.lines[i][2]
for i in range(1, len(comments)):
account = amount = currency = ''
if i < len(booking.lines) and booking.lines[i] != '':
account = booking.lines[i][0]
amount = booking.lines[i][1]
currency = booking.lines[i][2]