"Alexander Mendez (independent) ran for election to the Massachusetts State Senate to represent Norfolk and Plymouth District. He lost in the general election on November 3, 2020.
Mendez was a 2018 independent candidate for the Norfolk and Plymouth District of the Massachusetts State Senate. He lost in the general election on November 6, 2018."
That's not even the same guy.
While local political offices are occasionally "non-partisan" - if you're getting hugs from the DNCIA's glitterati, like Bill Clinton and Whoopi Goldberg - it's highly likely that you're a Democrat, regardless of what it says on the ballot.