code: def test_upload_meta(self):
      unique_filename = self.random_filename()
      grid_url = py.grid_ops.upload(
          self._grid, unique_filename, auto_open=False
      )
  
      # Add some Metadata to that grid
      py.meta_ops.upload(self._meta, grid_url=grid_url)
  
file_path: plotly.py/packages/python/chart-studio/chart_studio/tests/test_plot_ly/test_meta/test_meta.py
imports: from __future__ import absolute_import
  import random
  import string
  from unittest import skip
  from chart_studio import plotly
  from chart_studio.exceptions import PlotlyRequestError
  from chart_studio.grid_objs import Column, Grid
  from chart_studio.tests.utils import PlotlyTestCase
label_desc: Use image node_id 3 for calling the MetaTest obj's underlying member method code with example usage: obj.test_upload_meta() without return types