def fetch(self, keyDict):
        for key in keyDict:
            keyDict[key] = self.dict[key]
Intercept set events.
dataset/ETHPy150Open ejeschke/ginga/ginga/misc/Bunch.py/caselessDict.fetch--crossover with--dataset/ETHPy150Open zzzeek/sqlalchemy/examples/versioned_rows/versioned_map.py/ConfigValueAssociation.value