def __init__(self,  FG=False):
        self.foreground = FG
Return a list of weak references to the keys.
dataset/ETHPy150Open tomerfiliba/plumbum/plumbum/commands/modifiers.py/RETCODE.__init__--crossover with--dataset/ETHPy150Open Southpaw-TACTIC/TACTIC/src/context/client/tactic-api-python-4.0.api04/Lib/weakref.py/WeakKeyDictionary.keyrefs