code: def test_create_nested_folders(self):
      first_folder = self._random_filename()
      nested_folder = "{0}/{1}".format(
          first_folder, self._random_filename()
      )
      try:
          py.file_ops.mkdirs(nested_folder)
      except PlotlyRequestError as e:
          self.fail(
              "Expected this *not* to fail! Status: {}".format(
                  e.status_code
              )
          )
  
file_path: plotly.py/packages/python/chart-studio/chart_studio/tests/test_plot_ly/test_file/test_file.py
imports: import random
  import string
  from chart_studio import plotly
  from chart_studio.exceptions import PlotlyRequestError
  from chart_studio.tests.utils import PlotlyTestCase
label_desc: Use image node_id 4 for calling the FolderAPITestCase obj's underlying member method code with example usage: obj.test_create_nested_folders() without return types