Perhaps this doesn't make the legal definition of a fix, but it the next best thing.
right .... it does not nor is it the next best thing.
The common phrase “the fix is in” means that the outcome of an event or process has been covertly manipulated to ensure a result that would otherwise be determined by chance or a fair test of some kind
That many "establishment" type Democrats did not want Sen Sanders was well known publicly. There was no covert manipulation i.e. stuffing ballot boxes, disenfranchising voters, etc, and I am not sure how one overtly manipulates anything, unless you are Mr Trump.
I quit the Democrat Party in 1972 because of party machinery and process.
