docs: def in_jupyter_notebook():
      """
      http://stackoverflow.com/questions/15411967/how-can-i-check-if-code-is-executed-in-the-ipython-notebook
      """
      try:
          cfg = get_ipython().config
          #print('cfg = %s' % (ut.repr4(cfg),))
          #x = cfg['IPKernelApp']['parent_appname']
          # might not work if using jupyter-console
          if cfg['IPKernelApp']['connection_file'].count('jupyter'):
              return True
          else:
              return False
      except (AttributeError, NameError):
          return False