code: def setUp(self):
      super(PlotlyApiTestCase, self).setUp()
  
      self.username = "foo"
      self.api_key = "bar"
  
      self.proxy_username = "cnet"
      self.proxy_password = "hoopla"
      self.stream_ids = ["heyThere"]
  
      self.plotly_api_domain = "https://api.do.not.exist"
      self.plotly_domain = "https://who.am.i"
      self.plotly_proxy_authorization = False
      self.plotly_streaming_domain = "stream.does.not.exist"
      self.plotly_ssl_verification = True
  
      sign_in(
          username=self.username,
          api_key=self.api_key,
          proxy_username=self.proxy_username,
          proxy_password=self.proxy_password,
          stream_ids=self.stream_ids,
          plotly_domain=self.plotly_domain,
          plotly_api_domain=self.plotly_api_domain,
          plotly_streaming_domain=self.plotly_streaming_domain,
          plotly_proxy_authorization=self.plotly_proxy_authorization,
          plotly_ssl_verification=self.plotly_ssl_verification,
      )
  
file_path: plotly.py/packages/python/chart-studio/chart_studio/tests/test_plot_ly/test_api/__init__.py
imports: from __future__ import absolute_import
  from requests import Response
  from chart_studio.session import sign_in
  from chart_studio.tests.utils import PlotlyTestCase
  import sys
label_desc: Use image node_id 2 for calling the PlotlyApiTestCase obj's underlying member method code with example usage: obj.setUp() without return types