code: def get_cov(config):
      
  
      # Check with hasplugin to avoid getplugin exception in older pytest.
      if config.pluginmanager.hasplugin('_cov'):
          plugin = config.pluginmanager.getplugin('_cov')
          if plugin.cov_controller:
              return plugin.cov_controller.cov
      return None
docs: Returns the coverage object of pytest-cov.