code: def testBasicOps(self):
      CollectionTestCaseBase._testBasicOpsImpl(self)
  
imports: import datetime
  from six.moves import xrange
  from .None import common
  from pyalgotrade import utils
  from pyalgotrade.utils import collections
  from pyalgotrade.utils import dt
label_desc: Use image node_id 2 for calling the NumPyDequeTestCase obj's underlying member method code with example usage: obj.testBasicOps() without return types