text: """Exceptions."""
  
  
  class OandaError(Exception):
      """ Generic error class, catches oanda response errors
      """
  
      def __init__(self, error_response):
          self.error_response = error_response
          msg = f"OANDA API returned error code {error_response['code']} ({error_response['message']}) " 
  
          super(OandaError, self).__init__(msg)
  
  
  class BadEnvironment(Exception):
      """environment should be: sandbox, practice or live."""
      def __init__(self, environment):
          msg = f"Environment '{environment}' does not exist"
          super(BadEnvironment, self).__init__(msg)
  