qcodes/instrument_drivers/Keysight/keysightb1500/KeysightB1520A.py
def query(self, index: Optional[int] = None) -> float:
        """
        Query the frequency list for CMU data correction.

        If ``index`` is ``None``, the query returns a total number of
        frequencies in the list. If ``index`` is given, then the query
        returns the frequency value from the list at that index.
        """
        msg = MessageBuilder().corrl_query(chnum=self._chnum,
                                           index=index)
        response = self.ask(msg.message)
        return float(response)

        Query the frequency list for CMU data correction.

        If ``index`` is ``None``, the query returns a total number of
        frequencies in the list. If ``index`` is given, then the query
        returns the frequency value from the list at that index.
        
Query the frequency list for CMU data correction.
Query the frequency list for CMU data correction .
def query(self, index: Optional[int] = None) -> float:
        msg = MessageBuilder().corrl_query(chnum=self._chnum,
                                           index=index)
        response = self.ask(msg.message)
        return float(response)
def query ( self , index : Optional [ int ] = None ) -> float : msg = MessageBuilder ( ) . corrl_query ( chnum = self . _chnum , index = index ) response = self . ask ( msg . message ) return float ( response )
Query the frequency list for CMU data correction.
Query the frequency list for CMU data correction .
"""
        Query the frequency list for CMU data correction.

        If ``index`` is ``None``, the query returns a total number of
        frequencies in the list. If ``index`` is given, then the query
        returns the frequency value from the list at that index.
        """
self
index
Optional[int]