class_docstr: Realtime currency exchange rates for physical and digital currencies.
      
docstr: Inherit AlphaVantage base class with its default arguments
code: def __init__(self, *args, **kwargs):
      """
      Inherit AlphaVantage base class with its default arguments
      """
      super(ForeignExchange, self).__init__(*args, **kwargs)
      self._append_type = False
      if self.output_format.lower() == "csv":
          raise ValueError(
              "Output format {} is not compatible with the ForeignExchange class".format(
                  self.output_format.lower()
              )
          )
  
file_path: alpha_vantage/alpha_vantage/async_support/foreignexchange.py
imports: from .alphavantage import AlphaVantage
label_desc: Use image node_id 1 to create a new ForeignExchange object from inherited base classes: av with example: obj = ForeignExchange()