code: def isComplete(self):
      return not any(np.isnan(self.__values))
  
imports: import numpy
  import matplotlib.pyplot
  from six.moves import xrange
  from pyalgotrade.technical import roc
  from pyalgotrade import dispatcher
label_desc: Use image node_id 3 for calling the Event obj's underlying member method code with example usage: obj.isComplete() and returns: unknown