class_docstr: Execute workflow with ipython
code: def _clear_task(self, taskid):
      if IPyversion >= "0.11":
          logger.debug("Clearing id: %d" % taskid)
          self.taskclient.purge_results(self.taskmap[taskid])
          del self.taskmap[taskid]
  
file_path: nipype/nipype/pipeline/plugins/ipython.py
imports: from pickle import dumps
  import sys
  from .base import DistributedPluginBase, logger, report_crash
label_desc: Use image node_id 6 for calling the IPythonPlugin obj's underlying member method code with example usage: obj._clear_task(taskid) without return types