{"foo": 1, **{"bar": 1}} # PIE800 {**{"bar": 10}, "a": "b"} # PIE800 foo({**foo, **{"bar": True}}) # PIE800 {**foo, **{"bar": 10}} # PIE800 { # PIE800 "a": "b", # Preserve **{ # all "bar": 10, # the # comments }, } {**foo, **buzz, **{bar: 10}} # PIE800 {**foo, "bar": True } # OK {"foo": 1, "buzz": {"bar": 1}} # OK {**foo, "bar": True } # OK Table.objects.filter(inst=inst, **{f"foo__{bar}__exists": True}) # OK buzz = {**foo, "bar": { 1: 2 }} # OK