code: def getDelimiter(self):
      return ","
  
file_path: pyalgotrade/pyalgotrade/barfeed/yahoofeed.py
imports: from pyalgotrade.barfeed import csvfeed
  from pyalgotrade.barfeed import common
  from pyalgotrade.utils import dt
  from pyalgotrade import bar
  import datetime
label_desc: Use image node_id 4 for calling the RowParser obj's underlying member method code with example usage: obj.getDelimiter() and returns: str