How to use the ipython.logger.debug function in ipython

job.tag()
            # running jobs are not errors either.
            else:
                is_run = getattr(extract, 'is_running', False)
                if is_run:
                    job.tag()

                qstuff = self.qstat(name)
                is_inqueue = len(qstuff) > 0
                if is_inqueue:
                    job.tag()

                # what's left is an error.
                else:
                    job.untag()
                logger.debug('ipython/explore errors: dir: %s  is_run: %s' % (directory, is_run))

    # Look only for jobs which are successfull.
    if args.type == "results":
        if interactive.jobfolder_path is None:
            print("No known path/file for current job-folder.\n"\
                  "Please save to file first.")
            return
        directory = dirname(interactive.jobfolder_path)
        for name, job in interactive.jobfolder.items():
            if not job.functional.Extract(join(directory, name)).success:
                job.tag()
            else:
                job.untag()

    # Look only for jobs which are running (and can be determined as such).
    elif args.type == "running":

#     ['checkjob', str(job.jobNumber)],
                #     shell=False,
                #     cwd=wkDir,
                #     stdin=subprocess.PIPE,
                #     stdout=subprocess.PIPE,
                #     stderr=subprocess.PIPE,
                #     bufsize=10*1000*1000)
                #   (stdout, stderr) = proc.communicate()
                #   parse stdout to get status.  May be 'not found'.
                #   if idle or active: job.untag()
                #   else: job.tag()

                job.untag()
            else:
                job.tag()
            logger.debug('ipython/explore running: dir: %s  is_run: %s' % (directory, is_run))

    # All jobs without restriction.
    elif args.type == "all":
        if interactive.jobfolder_path is None:
            return
        for job in interactive.jobfolder.values():
            job.untag()