text: class BitcomApiException(Exception):
  
      RUNTIME_ERROR = "RuntimeError"
      INPUT_ERROR = "InputError"
      KEY_MISSING = "KeyMissing"
      SYS_ERROR = "SysError"
      SUBSCRIPTION_ERROR = "SubscriptionError"
      ENV_ERROR = "EnvironmentError"
      EXEC_ERROR = "ExecuteError"
  
      def __init__(self, error_code, error_message):
          self.error_code = error_code
          self.error_message = error_message
  