code: def _cachpath(symbol, type_):
      return "-".join((symbol.replace(os.path.sep, "_"), type_))
  
file_path: catalyst/catalyst/data/bundles/yahoo.py
imports: import os
  import numpy
  import pandas
  from pandas_datareader.data import DataReader
  import requests
  from catalyst.utils.calendars import register_calendar_alias
  from catalyst.utils.cli import maybe_show_progress
  from .core import register
label_desc: Use image node_id 1 for calling a global function with example usage: _cachpath(symbol, type_) and returns: str