I get the OnWarmupFinished error below when overloading OptionUniverseSelectionModel. The code below is copied directly from the BasicTemplateOptionsFrameworkAlgorithm.py example on github, with the strikes and expirations modified. If I create a dummy OnWarmupFinished, I then get the second error.Has anyone else had trouble with this? I don't know if it's a bug, but it seems like it could be.class MyOptionUniverseSelectionModel(OptionUniverseSelectionModel):

def __init__(self, select_option_chain_symbols):

super().__init__(timedelta(1), select_option_chain_symbols)

def Filter(self, filter):

'''Defines the option chain universe filter'''

return (filter.Strikes(-1, -1).Expiration(90-15, 90-15))Runtime Error: SystemError : <bound method 'OnWarmupFinished'> returned a result with an error set SystemError : <bound method 'OnWarmupFinished'> returned a result with an error set     (Open Stacktrace)

Runtime Error: SystemError : PyEval_EvalFrameEx returned a result with an error set SystemError : PyEval_EvalFrameEx returned a result with an error set     (Open Stacktrace)

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