code: def roundQuantity(self, quantity):
      return int(quantity)
  
file_path: pyalgotrade/testcases/broker_test.py
imports: import datetime
  from .None import common
  from pyalgotrade import broker
label_desc: Use image node_id 1 for calling the DefaultTraits obj's underlying member method code with example usage: obj.roundQuantity(quantity) and returns: int