class_docstr: Signal an error that should have a different message if invoked from
  the cli.
  
  Parameters
  ----------
  pyfunc_msg : str
      The message that will be shown when called as a python function.
  
  cmdline_msg : str
      The message that will be shown on the command line.
class_docstr_tok: ["Signal","an","error","that","should","have","a","different","message","if","invoked","from","the","cli",".","Parameters","--","--","--","--","--","pyfunc_msg",":","str","The","message","that","will","be","shown","when","called","as","a","python","function",".","cmdline_msg",":","str","The","message","that","will","be","shown","on","the","command","line","."]
code: def __str__(self):
      return self.pyfunc_msg
  
imports: import os
  import re
  import sys
  import warnings
  from datetime import timedelta
  from runpy import run_path
  from time import sleep
  import click
  import pandas
  from six import string_types
  import catalyst
  from catalyst.data.bundles import load
  from catalyst.data.data_portal import DataPortal
  from catalyst.exchange.exchange_pricing_loader import ExchangePricingLoader, TradingPairPricing
  from catalyst.exchange.utils.factory import get_exchange
  from logbook import Logger
  from toolz import valfilter, concatv
  from functools import partial
  from catalyst.finance.trading import TradingEnvironment
  from catalyst.utils.calendars import get_calendar
  from catalyst.utils.factory import create_simulation_parameters
  from catalyst.data.loader import load_crypto_market_data
  import catalyst.utils.paths
  from catalyst.utils.remote import remote_backtest
  from catalyst.exchange.exchange_algorithm import ExchangeTradingAlgorithmLive, ExchangeTradingAlgorithmBacktest
  from catalyst.exchange.exchange_data_portal import DataPortalExchangeLive, DataPortalExchangeBacktest
  from catalyst.exchange.exchange_asset_finder import ExchangeAssetFinder
  from catalyst.constants import LOG_LEVEL, ALPHA_WARNING_MESSAGE, DISABLE_ALPHA_WARNING
label_desc: Use image node_id 2 for calling the _RunAlgoError obj's underlying member method code with example usage: obj.__str__() and returns: self