fix the legislator updated_at calculation error
fix the legislator updated_at calculation error

openstates/billy,openstates/billy,sunlightlabs/billy,loandy/billy,loandy/billy,sunlightlabs/billy,mileswwatkins/billy,loandy/billy,openstates/billy,mileswwatkins/billy,mileswwatkins/billy,sunlightlabs/billy