'Set the date for which symbols will be resolved to their assets
(symbols may map to different firms or underlying assets at
different times)
Parameters
dt : datetime
The new symbol lookup date.'

@api_method
def set_symbol_lookup_date(self, dt):

    try:
        self._symbol_lookup_date = pd.Timestamp(dt, tz='UTC')
    except ValueError:
        raise UnsupportedDatetimeFormat(input=dt, method='set_symbol_lookup_date')
