simplify frozendict hash
simplify frozendict hash

datamade/dedupe,neozhangthe1/dedupe,tfmorris/dedupe,neozhangthe1/dedupe,01-/dedupe,01-/dedupe,dedupeio/dedupe,nmiranda/dedupe,davidkunio/dedupe,davidkunio/dedupe,dedupeio/dedupe,tfmorris/dedupe,pombredanne/dedupe,datamade/dedupe,nmiranda/dedupe,pombredanne/dedupe